]> git.sesse.net Git - ffmpeg/blobdiff - libswscale/swscale_template.c
dct32: Add AVX implementation of 32-point DCT
[ffmpeg] / libswscale / swscale_template.c
index c2a6ab19917dd64f2b7dd0b677180c9119e43ae7..fe872561cb0d03e008ff81a458cf54f8712a412d 100644 (file)
 /*
  * Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
  *
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License
- * along with FFmpeg; if not, write to the Free Software
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * The C code (not assembly, MMX, ...) of this file can be used
- * under the LGPL license.
  */
 
-#undef REAL_MOVNTQ
-#undef MOVNTQ
-#undef PAVGB
-#undef PREFETCH
-#undef PREFETCHW
-#undef EMMS
-#undef SFENCE
-
-#ifdef HAVE_3DNOW
-/* On K6 femms is faster than emms. On K7 femms is directly mapped on emms. */
-#define EMMS     "femms"
-#else
-#define EMMS     "emms"
-#endif
-
-#ifdef HAVE_3DNOW
-#define PREFETCH  "prefetch"
-#define PREFETCHW "prefetchw"
-#elif defined (HAVE_MMX2)
-#define PREFETCH "prefetchnta"
-#define PREFETCHW "prefetcht0"
-#else
-#define PREFETCH  " # nop"
-#define PREFETCHW " # nop"
-#endif
-
-#ifdef HAVE_MMX2
-#define SFENCE "sfence"
-#else
-#define SFENCE " # nop"
-#endif
-
-#ifdef HAVE_MMX2
-#define PAVGB(a,b) "pavgb " #a ", " #b " \n\t"
-#elif defined (HAVE_3DNOW)
-#define PAVGB(a,b) "pavgusb " #a ", " #b " \n\t"
-#endif
-
-#ifdef HAVE_MMX2
-#define REAL_MOVNTQ(a,b) "movntq " #a ", " #b " \n\t"
-#else
-#define REAL_MOVNTQ(a,b) "movq " #a ", " #b " \n\t"
-#endif
-#define MOVNTQ(a,b)  REAL_MOVNTQ(a,b)
-
-#ifdef HAVE_ALTIVEC
-#include "swscale_altivec_template.c"
-#endif
-
-#define YSCALEYUV2YV12X(x, offset, dest, width) \
-    asm volatile(\
-    "xor                          %%"REG_a", %%"REG_a"  \n\t"\
-    "movq             "VROUNDER_OFFSET"(%0), %%mm3      \n\t"\
-    "movq                             %%mm3, %%mm4      \n\t"\
-    "lea                     " offset "(%0), %%"REG_d"  \n\t"\
-    "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
-    ASMALIGN(4) /* FIXME Unroll? */\
-    "1:                                                 \n\t"\
-    "movq                      8(%%"REG_d"), %%mm0      \n\t" /* filterCoeff */\
-    "movq   "  x "(%%"REG_S", %%"REG_a", 2), %%mm2      \n\t" /* srcData */\
-    "movq 8+"  x "(%%"REG_S", %%"REG_a", 2), %%mm5      \n\t" /* srcData */\
-    "add                                $16, %%"REG_d"  \n\t"\
-    "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
-    "test                         %%"REG_S", %%"REG_S"  \n\t"\
-    "pmulhw                           %%mm0, %%mm2      \n\t"\
-    "pmulhw                           %%mm0, %%mm5      \n\t"\
-    "paddw                            %%mm2, %%mm3      \n\t"\
-    "paddw                            %%mm5, %%mm4      \n\t"\
-    " jnz                                1b             \n\t"\
-    "psraw                               $3, %%mm3      \n\t"\
-    "psraw                               $3, %%mm4      \n\t"\
-    "packuswb                         %%mm4, %%mm3      \n\t"\
-    MOVNTQ(%%mm3, (%1, %%REGa))\
-    "add                                 $8, %%"REG_a"  \n\t"\
-    "cmp                                 %2, %%"REG_a"  \n\t"\
-    "movq             "VROUNDER_OFFSET"(%0), %%mm3      \n\t"\
-    "movq                             %%mm3, %%mm4      \n\t"\
-    "lea                     " offset "(%0), %%"REG_d"  \n\t"\
-    "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
-    "jb                                  1b             \n\t"\
-    :: "r" (&c->redDither),\
-    "r" (dest), "g" (width)\
-    : "%"REG_a, "%"REG_d, "%"REG_S\
-    );
-
-#define YSCALEYUV2YV12X_ACCURATE(x, offset, dest, width) \
-    asm volatile(\
-    "lea                     " offset "(%0), %%"REG_d"  \n\t"\
-    "xor                          %%"REG_a", %%"REG_a"  \n\t"\
-    "pxor                             %%mm4, %%mm4      \n\t"\
-    "pxor                             %%mm5, %%mm5      \n\t"\
-    "pxor                             %%mm6, %%mm6      \n\t"\
-    "pxor                             %%mm7, %%mm7      \n\t"\
-    "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
-    ASMALIGN(4) \
-    "1:                                                 \n\t"\
-    "movq   "  x "(%%"REG_S", %%"REG_a", 2), %%mm0      \n\t" /* srcData */\
-    "movq 8+"  x "(%%"REG_S", %%"REG_a", 2), %%mm2      \n\t" /* srcData */\
-    "mov        "STR(APCK_PTR2)"(%%"REG_d"), %%"REG_S"  \n\t"\
-    "movq   "  x "(%%"REG_S", %%"REG_a", 2), %%mm1      \n\t" /* srcData */\
-    "movq                             %%mm0, %%mm3      \n\t"\
-    "punpcklwd                        %%mm1, %%mm0      \n\t"\
-    "punpckhwd                        %%mm1, %%mm3      \n\t"\
-    "movq       "STR(APCK_COEF)"(%%"REG_d"), %%mm1      \n\t" /* filterCoeff */\
-    "pmaddwd                          %%mm1, %%mm0      \n\t"\
-    "pmaddwd                          %%mm1, %%mm3      \n\t"\
-    "paddd                            %%mm0, %%mm4      \n\t"\
-    "paddd                            %%mm3, %%mm5      \n\t"\
-    "movq 8+"  x "(%%"REG_S", %%"REG_a", 2), %%mm3      \n\t" /* srcData */\
-    "mov        "STR(APCK_SIZE)"(%%"REG_d"), %%"REG_S"  \n\t"\
-    "add                  $"STR(APCK_SIZE)", %%"REG_d"  \n\t"\
-    "test                         %%"REG_S", %%"REG_S"  \n\t"\
-    "movq                             %%mm2, %%mm0      \n\t"\
-    "punpcklwd                        %%mm3, %%mm2      \n\t"\
-    "punpckhwd                        %%mm3, %%mm0      \n\t"\
-    "pmaddwd                          %%mm1, %%mm2      \n\t"\
-    "pmaddwd                          %%mm1, %%mm0      \n\t"\
-    "paddd                            %%mm2, %%mm6      \n\t"\
-    "paddd                            %%mm0, %%mm7      \n\t"\
-    " jnz                                1b             \n\t"\
-    "psrad                              $16, %%mm4      \n\t"\
-    "psrad                              $16, %%mm5      \n\t"\
-    "psrad                              $16, %%mm6      \n\t"\
-    "psrad                              $16, %%mm7      \n\t"\
-    "movq             "VROUNDER_OFFSET"(%0), %%mm0      \n\t"\
-    "packssdw                         %%mm5, %%mm4      \n\t"\
-    "packssdw                         %%mm7, %%mm6      \n\t"\
-    "paddw                            %%mm0, %%mm4      \n\t"\
-    "paddw                            %%mm0, %%mm6      \n\t"\
-    "psraw                               $3, %%mm4      \n\t"\
-    "psraw                               $3, %%mm6      \n\t"\
-    "packuswb                         %%mm6, %%mm4      \n\t"\
-    MOVNTQ(%%mm4, (%1, %%REGa))\
-    "add                                 $8, %%"REG_a"  \n\t"\
-    "cmp                                 %2, %%"REG_a"  \n\t"\
-    "lea                     " offset "(%0), %%"REG_d"  \n\t"\
-    "pxor                             %%mm4, %%mm4      \n\t"\
-    "pxor                             %%mm5, %%mm5      \n\t"\
-    "pxor                             %%mm6, %%mm6      \n\t"\
-    "pxor                             %%mm7, %%mm7      \n\t"\
-    "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
-    "jb                                  1b             \n\t"\
-    :: "r" (&c->redDither),\
-    "r" (dest), "g" (width)\
-    : "%"REG_a, "%"REG_d, "%"REG_S\
-    );
-
-#define YSCALEYUV2YV121 \
-    "mov %2, %%"REG_a"                    \n\t"\
-    ASMALIGN(4) /* FIXME Unroll? */\
-    "1:                                   \n\t"\
-    "movq  (%0, %%"REG_a", 2), %%mm0      \n\t"\
-    "movq 8(%0, %%"REG_a", 2), %%mm1      \n\t"\
-    "psraw                 $7, %%mm0      \n\t"\
-    "psraw                 $7, %%mm1      \n\t"\
-    "packuswb           %%mm1, %%mm0      \n\t"\
-    MOVNTQ(%%mm0, (%1, %%REGa))\
-    "add                   $8, %%"REG_a"  \n\t"\
-    "jnc                   1b             \n\t"
-
-#define YSCALEYUV2YV121_ACCURATE \
-    "mov %2, %%"REG_a"                    \n\t"\
-    "pcmpeqw %%mm7, %%mm7                 \n\t"\
-    "psrlw                 $15, %%mm7     \n\t"\
-    "psllw                  $6, %%mm7     \n\t"\
-    ASMALIGN(4) /* FIXME Unroll? */\
-    "1:                                   \n\t"\
-    "movq  (%0, %%"REG_a", 2), %%mm0      \n\t"\
-    "movq 8(%0, %%"REG_a", 2), %%mm1      \n\t"\
-    "paddsw             %%mm7, %%mm0      \n\t"\
-    "paddsw             %%mm7, %%mm1      \n\t"\
-    "psraw                 $7, %%mm0      \n\t"\
-    "psraw                 $7, %%mm1      \n\t"\
-    "packuswb           %%mm1, %%mm0      \n\t"\
-    MOVNTQ(%%mm0, (%1, %%REGa))\
-    "add                   $8, %%"REG_a"  \n\t"\
-    "jnc                   1b             \n\t"
-
-/*
-    :: "m" (-lumFilterSize), "m" (-chrFilterSize),
-       "m" (lumMmxFilter+lumFilterSize*4), "m" (chrMmxFilter+chrFilterSize*4),
-       "r" (dest), "m" (dstW),
-       "m" (lumSrc+lumFilterSize), "m" (chrSrc+chrFilterSize)
-    : "%eax", "%ebx", "%ecx", "%edx", "%esi"
-*/
-#define YSCALEYUV2PACKEDX \
-    asm volatile(\
-    "xor                   %%"REG_a", %%"REG_a"     \n\t"\
-    ASMALIGN(4)\
-    "nop                                            \n\t"\
-    "1:                                             \n\t"\
-    "lea "CHR_MMX_FILTER_OFFSET"(%0), %%"REG_d"     \n\t"\
-    "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
-    "movq      "VROUNDER_OFFSET"(%0), %%mm3         \n\t"\
-    "movq                      %%mm3, %%mm4         \n\t"\
-    ASMALIGN(4)\
-    "2:                                             \n\t"\
-    "movq               8(%%"REG_d"), %%mm0         \n\t" /* filterCoeff */\
-    "movq     (%%"REG_S", %%"REG_a"), %%mm2         \n\t" /* UsrcData */\
-    "movq "AV_STRINGIFY(VOF)"(%%"REG_S", %%"REG_a"), %%mm5         \n\t" /* VsrcData */\
-    "add                         $16, %%"REG_d"     \n\t"\
-    "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
-    "pmulhw                    %%mm0, %%mm2         \n\t"\
-    "pmulhw                    %%mm0, %%mm5         \n\t"\
-    "paddw                     %%mm2, %%mm3         \n\t"\
-    "paddw                     %%mm5, %%mm4         \n\t"\
-    "test                  %%"REG_S", %%"REG_S"     \n\t"\
-    " jnz                         2b                \n\t"\
-\
-    "lea "LUM_MMX_FILTER_OFFSET"(%0), %%"REG_d"     \n\t"\
-    "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
-    "movq      "VROUNDER_OFFSET"(%0), %%mm1         \n\t"\
-    "movq                      %%mm1, %%mm7         \n\t"\
-    ASMALIGN(4)\
-    "2:                                             \n\t"\
-    "movq               8(%%"REG_d"), %%mm0         \n\t" /* filterCoeff */\
-    "movq  (%%"REG_S", %%"REG_a", 2), %%mm2         \n\t" /* Y1srcData */\
-    "movq 8(%%"REG_S", %%"REG_a", 2), %%mm5         \n\t" /* Y2srcData */\
-    "add                         $16, %%"REG_d"            \n\t"\
-    "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
-    "pmulhw                    %%mm0, %%mm2         \n\t"\
-    "pmulhw                    %%mm0, %%mm5         \n\t"\
-    "paddw                     %%mm2, %%mm1         \n\t"\
-    "paddw                     %%mm5, %%mm7         \n\t"\
-    "test                  %%"REG_S", %%"REG_S"     \n\t"\
-    " jnz                         2b                \n\t"\
-
-#define YSCALEYUV2PACKEDX_END                 \
-    :: "r" (&c->redDither),                   \
-        "m" (dummy), "m" (dummy), "m" (dummy),\
-        "r" (dest), "m" (dstW)                \
-    : "%"REG_a, "%"REG_d, "%"REG_S            \
-    );
-
-#define YSCALEYUV2PACKEDX_ACCURATE \
-    asm volatile(\
-    "xor %%"REG_a", %%"REG_a"                       \n\t"\
-    ASMALIGN(4)\
-    "nop                                            \n\t"\
-    "1:                                             \n\t"\
-    "lea "CHR_MMX_FILTER_OFFSET"(%0), %%"REG_d"     \n\t"\
-    "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
-    "pxor                      %%mm4, %%mm4         \n\t"\
-    "pxor                      %%mm5, %%mm5         \n\t"\
-    "pxor                      %%mm6, %%mm6         \n\t"\
-    "pxor                      %%mm7, %%mm7         \n\t"\
-    ASMALIGN(4)\
-    "2:                                             \n\t"\
-    "movq     (%%"REG_S", %%"REG_a"), %%mm0         \n\t" /* UsrcData */\
-    "movq "AV_STRINGIFY(VOF)"(%%"REG_S", %%"REG_a"), %%mm2         \n\t" /* VsrcData */\
-    "mov "STR(APCK_PTR2)"(%%"REG_d"), %%"REG_S"     \n\t"\
-    "movq     (%%"REG_S", %%"REG_a"), %%mm1         \n\t" /* UsrcData */\
-    "movq                      %%mm0, %%mm3         \n\t"\
-    "punpcklwd                 %%mm1, %%mm0         \n\t"\
-    "punpckhwd                 %%mm1, %%mm3         \n\t"\
-    "movq "STR(APCK_COEF)"(%%"REG_d"),%%mm1         \n\t" /* filterCoeff */\
-    "pmaddwd                   %%mm1, %%mm0         \n\t"\
-    "pmaddwd                   %%mm1, %%mm3         \n\t"\
-    "paddd                     %%mm0, %%mm4         \n\t"\
-    "paddd                     %%mm3, %%mm5         \n\t"\
-    "movq "AV_STRINGIFY(VOF)"(%%"REG_S", %%"REG_a"), %%mm3         \n\t" /* VsrcData */\
-    "mov "STR(APCK_SIZE)"(%%"REG_d"), %%"REG_S"     \n\t"\
-    "add           $"STR(APCK_SIZE)", %%"REG_d"     \n\t"\
-    "test                  %%"REG_S", %%"REG_S"     \n\t"\
-    "movq                      %%mm2, %%mm0         \n\t"\
-    "punpcklwd                 %%mm3, %%mm2         \n\t"\
-    "punpckhwd                 %%mm3, %%mm0         \n\t"\
-    "pmaddwd                   %%mm1, %%mm2         \n\t"\
-    "pmaddwd                   %%mm1, %%mm0         \n\t"\
-    "paddd                     %%mm2, %%mm6         \n\t"\
-    "paddd                     %%mm0, %%mm7         \n\t"\
-    " jnz                         2b                \n\t"\
-    "psrad                       $16, %%mm4         \n\t"\
-    "psrad                       $16, %%mm5         \n\t"\
-    "psrad                       $16, %%mm6         \n\t"\
-    "psrad                       $16, %%mm7         \n\t"\
-    "movq      "VROUNDER_OFFSET"(%0), %%mm0         \n\t"\
-    "packssdw                  %%mm5, %%mm4         \n\t"\
-    "packssdw                  %%mm7, %%mm6         \n\t"\
-    "paddw                     %%mm0, %%mm4         \n\t"\
-    "paddw                     %%mm0, %%mm6         \n\t"\
-    "movq                      %%mm4, "U_TEMP"(%0)  \n\t"\
-    "movq                      %%mm6, "V_TEMP"(%0)  \n\t"\
-\
-    "lea "LUM_MMX_FILTER_OFFSET"(%0), %%"REG_d"     \n\t"\
-    "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
-    "pxor                      %%mm1, %%mm1         \n\t"\
-    "pxor                      %%mm5, %%mm5         \n\t"\
-    "pxor                      %%mm7, %%mm7         \n\t"\
-    "pxor                      %%mm6, %%mm6         \n\t"\
-    ASMALIGN(4)\
-    "2:                                             \n\t"\
-    "movq  (%%"REG_S", %%"REG_a", 2), %%mm0         \n\t" /* Y1srcData */\
-    "movq 8(%%"REG_S", %%"REG_a", 2), %%mm2         \n\t" /* Y2srcData */\
-    "mov "STR(APCK_PTR2)"(%%"REG_d"), %%"REG_S"     \n\t"\
-    "movq  (%%"REG_S", %%"REG_a", 2), %%mm4         \n\t" /* Y1srcData */\
-    "movq                      %%mm0, %%mm3         \n\t"\
-    "punpcklwd                 %%mm4, %%mm0         \n\t"\
-    "punpckhwd                 %%mm4, %%mm3         \n\t"\
-    "movq "STR(APCK_COEF)"(%%"REG_d"), %%mm4         \n\t" /* filterCoeff */\
-    "pmaddwd                   %%mm4, %%mm0         \n\t"\
-    "pmaddwd                   %%mm4, %%mm3         \n\t"\
-    "paddd                     %%mm0, %%mm1         \n\t"\
-    "paddd                     %%mm3, %%mm5         \n\t"\
-    "movq 8(%%"REG_S", %%"REG_a", 2), %%mm3         \n\t" /* Y2srcData */\
-    "mov "STR(APCK_SIZE)"(%%"REG_d"), %%"REG_S"     \n\t"\
-    "add           $"STR(APCK_SIZE)", %%"REG_d"     \n\t"\
-    "test                  %%"REG_S", %%"REG_S"     \n\t"\
-    "movq                      %%mm2, %%mm0         \n\t"\
-    "punpcklwd                 %%mm3, %%mm2         \n\t"\
-    "punpckhwd                 %%mm3, %%mm0         \n\t"\
-    "pmaddwd                   %%mm4, %%mm2         \n\t"\
-    "pmaddwd                   %%mm4, %%mm0         \n\t"\
-    "paddd                     %%mm2, %%mm7         \n\t"\
-    "paddd                     %%mm0, %%mm6         \n\t"\
-    " jnz                         2b                \n\t"\
-    "psrad                       $16, %%mm1         \n\t"\
-    "psrad                       $16, %%mm5         \n\t"\
-    "psrad                       $16, %%mm7         \n\t"\
-    "psrad                       $16, %%mm6         \n\t"\
-    "movq      "VROUNDER_OFFSET"(%0), %%mm0         \n\t"\
-    "packssdw                  %%mm5, %%mm1         \n\t"\
-    "packssdw                  %%mm6, %%mm7         \n\t"\
-    "paddw                     %%mm0, %%mm1         \n\t"\
-    "paddw                     %%mm0, %%mm7         \n\t"\
-    "movq               "U_TEMP"(%0), %%mm3         \n\t"\
-    "movq               "V_TEMP"(%0), %%mm4         \n\t"\
-
-#define YSCALEYUV2RGBX \
-    "psubw  "U_OFFSET"(%0), %%mm3       \n\t" /* (U-128)8*/\
-    "psubw  "V_OFFSET"(%0), %%mm4       \n\t" /* (V-128)8*/\
-    "movq            %%mm3, %%mm2       \n\t" /* (U-128)8*/\
-    "movq            %%mm4, %%mm5       \n\t" /* (V-128)8*/\
-    "pmulhw "UG_COEFF"(%0), %%mm3       \n\t"\
-    "pmulhw "VG_COEFF"(%0), %%mm4       \n\t"\
-/* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
-    "pmulhw "UB_COEFF"(%0), %%mm2       \n\t"\
-    "pmulhw "VR_COEFF"(%0), %%mm5       \n\t"\
-    "psubw  "Y_OFFSET"(%0), %%mm1       \n\t" /* 8(Y-16)*/\
-    "psubw  "Y_OFFSET"(%0), %%mm7       \n\t" /* 8(Y-16)*/\
-    "pmulhw  "Y_COEFF"(%0), %%mm1       \n\t"\
-    "pmulhw  "Y_COEFF"(%0), %%mm7       \n\t"\
-/* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
-    "paddw           %%mm3, %%mm4       \n\t"\
-    "movq            %%mm2, %%mm0       \n\t"\
-    "movq            %%mm5, %%mm6       \n\t"\
-    "movq            %%mm4, %%mm3       \n\t"\
-    "punpcklwd       %%mm2, %%mm2       \n\t"\
-    "punpcklwd       %%mm5, %%mm5       \n\t"\
-    "punpcklwd       %%mm4, %%mm4       \n\t"\
-    "paddw           %%mm1, %%mm2       \n\t"\
-    "paddw           %%mm1, %%mm5       \n\t"\
-    "paddw           %%mm1, %%mm4       \n\t"\
-    "punpckhwd       %%mm0, %%mm0       \n\t"\
-    "punpckhwd       %%mm6, %%mm6       \n\t"\
-    "punpckhwd       %%mm3, %%mm3       \n\t"\
-    "paddw           %%mm7, %%mm0       \n\t"\
-    "paddw           %%mm7, %%mm6       \n\t"\
-    "paddw           %%mm7, %%mm3       \n\t"\
-    /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
-    "packuswb        %%mm0, %%mm2       \n\t"\
-    "packuswb        %%mm6, %%mm5       \n\t"\
-    "packuswb        %%mm3, %%mm4       \n\t"\
-    "pxor            %%mm7, %%mm7       \n\t"
-#if 0
-#define FULL_YSCALEYUV2RGB \
-    "pxor                 %%mm7, %%mm7  \n\t"\
-    "movd                    %6, %%mm6  \n\t" /*yalpha1*/\
-    "punpcklwd            %%mm6, %%mm6  \n\t"\
-    "punpcklwd            %%mm6, %%mm6  \n\t"\
-    "movd                    %7, %%mm5  \n\t" /*uvalpha1*/\
-    "punpcklwd            %%mm5, %%mm5  \n\t"\
-    "punpcklwd            %%mm5, %%mm5  \n\t"\
-    "xor              %%"REG_a", %%"REG_a"  \n\t"\
-    ASMALIGN(4)\
-    "1:                                 \n\t"\
-    "movq     (%0, %%"REG_a",2), %%mm0  \n\t" /*buf0[eax]*/\
-    "movq     (%1, %%"REG_a",2), %%mm1  \n\t" /*buf1[eax]*/\
-    "movq     (%2, %%"REG_a",2), %%mm2  \n\t" /* uvbuf0[eax]*/\
-    "movq     (%3, %%"REG_a",2), %%mm3  \n\t" /* uvbuf1[eax]*/\
-    "psubw                %%mm1, %%mm0  \n\t" /* buf0[eax] - buf1[eax]*/\
-    "psubw                %%mm3, %%mm2  \n\t" /* uvbuf0[eax] - uvbuf1[eax]*/\
-    "pmulhw               %%mm6, %%mm0  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
-    "pmulhw               %%mm5, %%mm2  \n\t" /* (uvbuf0[eax] - uvbuf1[eax])uvalpha1>>16*/\
-    "psraw                   $4, %%mm1  \n\t" /* buf0[eax] - buf1[eax] >>4*/\
-    "movq "AV_STRINGIFY(VOF)"(%2, %%"REG_a",2), %%mm4  \n\t" /* uvbuf0[eax+2048]*/\
-    "psraw                   $4, %%mm3  \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
-    "paddw                %%mm0, %%mm1  \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
-    "movq "AV_STRINGIFY(VOF)"(%3, %%"REG_a",2), %%mm0  \n\t" /* uvbuf1[eax+2048]*/\
-    "paddw                %%mm2, %%mm3  \n\t" /* uvbuf0[eax]uvalpha1 - uvbuf1[eax](1-uvalpha1)*/\
-    "psubw                %%mm0, %%mm4  \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048]*/\
-    "psubw        "MANGLE(w80)", %%mm1  \n\t" /* 8(Y-16)*/\
-    "psubw       "MANGLE(w400)", %%mm3  \n\t" /* 8(U-128)*/\
-    "pmulhw    "MANGLE(yCoeff)", %%mm1  \n\t"\
-\
-\
-    "pmulhw               %%mm5, %%mm4  \n\t" /* (uvbuf0[eax+2048] - uvbuf1[eax+2048])uvalpha1>>16*/\
-    "movq                 %%mm3, %%mm2  \n\t" /* (U-128)8*/\
-    "pmulhw   "MANGLE(ubCoeff)", %%mm3  \n\t"\
-    "psraw                   $4, %%mm0  \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
-    "pmulhw   "MANGLE(ugCoeff)", %%mm2  \n\t"\
-    "paddw                %%mm4, %%mm0  \n\t" /* uvbuf0[eax+2048]uvalpha1 - uvbuf1[eax+2048](1-uvalpha1)*/\
-    "psubw       "MANGLE(w400)", %%mm0  \n\t" /* (V-128)8*/\
-\
-\
-    "movq                 %%mm0, %%mm4  \n\t" /* (V-128)8*/\
-    "pmulhw   "MANGLE(vrCoeff)", %%mm0  \n\t"\
-    "pmulhw   "MANGLE(vgCoeff)", %%mm4  \n\t"\
-    "paddw                %%mm1, %%mm3  \n\t" /* B*/\
-    "paddw                %%mm1, %%mm0  \n\t" /* R*/\
-    "packuswb             %%mm3, %%mm3  \n\t"\
-\
-    "packuswb             %%mm0, %%mm0  \n\t"\
-    "paddw                %%mm4, %%mm2  \n\t"\
-    "paddw                %%mm2, %%mm1  \n\t" /* G*/\
-\
-    "packuswb             %%mm1, %%mm1  \n\t"
-#endif
-
-#define REAL_YSCALEYUV2PACKED(index, c) \
-    "movq "CHR_MMX_FILTER_OFFSET"+8("#c"), %%mm0              \n\t"\
-    "movq "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm1              \n\t"\
-    "psraw                $3, %%mm0                           \n\t"\
-    "psraw                $3, %%mm1                           \n\t"\
-    "movq              %%mm0, "CHR_MMX_FILTER_OFFSET"+8("#c") \n\t"\
-    "movq              %%mm1, "LUM_MMX_FILTER_OFFSET"+8("#c") \n\t"\
-    "xor            "#index", "#index"                        \n\t"\
-    ASMALIGN(4)\
-    "1:                                 \n\t"\
-    "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
-    "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
-    "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
-    "movq "AV_STRINGIFY(VOF)"(%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\
-    "psubw             %%mm3, %%mm2     \n\t" /* uvbuf0[eax] - uvbuf1[eax]*/\
-    "psubw             %%mm4, %%mm5     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048]*/\
-    "movq "CHR_MMX_FILTER_OFFSET"+8("#c"), %%mm0    \n\t"\
-    "pmulhw            %%mm0, %%mm2     \n\t" /* (uvbuf0[eax] - uvbuf1[eax])uvalpha1>>16*/\
-    "pmulhw            %%mm0, %%mm5     \n\t" /* (uvbuf0[eax+2048] - uvbuf1[eax+2048])uvalpha1>>16*/\
-    "psraw                $7, %%mm3     \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
-    "psraw                $7, %%mm4     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
-    "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax]uvalpha1 - uvbuf1[eax](1-uvalpha1)*/\
-    "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048]uvalpha1 - uvbuf1[eax+2048](1-uvalpha1)*/\
-    "movq  (%0, "#index", 2), %%mm0     \n\t" /*buf0[eax]*/\
-    "movq  (%1, "#index", 2), %%mm1     \n\t" /*buf1[eax]*/\
-    "movq 8(%0, "#index", 2), %%mm6     \n\t" /*buf0[eax]*/\
-    "movq 8(%1, "#index", 2), %%mm7     \n\t" /*buf1[eax]*/\
-    "psubw             %%mm1, %%mm0     \n\t" /* buf0[eax] - buf1[eax]*/\
-    "psubw             %%mm7, %%mm6     \n\t" /* buf0[eax] - buf1[eax]*/\
-    "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm0  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
-    "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm6  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
-    "psraw                $7, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
-    "psraw                $7, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
-    "paddw             %%mm0, %%mm1     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
-    "paddw             %%mm6, %%mm7     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
-
-#define YSCALEYUV2PACKED(index, c)  REAL_YSCALEYUV2PACKED(index, c)
-
-#define REAL_YSCALEYUV2RGB(index, c) \
-    "xor            "#index", "#index"  \n\t"\
-    ASMALIGN(4)\
-    "1:                                 \n\t"\
-    "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
-    "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
-    "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
-    "movq "AV_STRINGIFY(VOF)"(%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\
-    "psubw             %%mm3, %%mm2     \n\t" /* uvbuf0[eax] - uvbuf1[eax]*/\
-    "psubw             %%mm4, %%mm5     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048]*/\
-    "movq "CHR_MMX_FILTER_OFFSET"+8("#c"), %%mm0    \n\t"\
-    "pmulhw            %%mm0, %%mm2     \n\t" /* (uvbuf0[eax] - uvbuf1[eax])uvalpha1>>16*/\
-    "pmulhw            %%mm0, %%mm5     \n\t" /* (uvbuf0[eax+2048] - uvbuf1[eax+2048])uvalpha1>>16*/\
-    "psraw                $4, %%mm3     \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
-    "psraw                $4, %%mm4     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
-    "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax]uvalpha1 - uvbuf1[eax](1-uvalpha1)*/\
-    "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048]uvalpha1 - uvbuf1[eax+2048](1-uvalpha1)*/\
-    "psubw  "U_OFFSET"("#c"), %%mm3     \n\t" /* (U-128)8*/\
-    "psubw  "V_OFFSET"("#c"), %%mm4     \n\t" /* (V-128)8*/\
-    "movq              %%mm3, %%mm2     \n\t" /* (U-128)8*/\
-    "movq              %%mm4, %%mm5     \n\t" /* (V-128)8*/\
-    "pmulhw "UG_COEFF"("#c"), %%mm3     \n\t"\
-    "pmulhw "VG_COEFF"("#c"), %%mm4     \n\t"\
-    /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
-    "movq  (%0, "#index", 2), %%mm0     \n\t" /*buf0[eax]*/\
-    "movq  (%1, "#index", 2), %%mm1     \n\t" /*buf1[eax]*/\
-    "movq 8(%0, "#index", 2), %%mm6     \n\t" /*buf0[eax]*/\
-    "movq 8(%1, "#index", 2), %%mm7     \n\t" /*buf1[eax]*/\
-    "psubw             %%mm1, %%mm0     \n\t" /* buf0[eax] - buf1[eax]*/\
-    "psubw             %%mm7, %%mm6     \n\t" /* buf0[eax] - buf1[eax]*/\
-    "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm0  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
-    "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm6  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
-    "psraw                $4, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
-    "psraw                $4, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
-    "paddw             %%mm0, %%mm1     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
-    "paddw             %%mm6, %%mm7     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
-    "pmulhw "UB_COEFF"("#c"), %%mm2     \n\t"\
-    "pmulhw "VR_COEFF"("#c"), %%mm5     \n\t"\
-    "psubw  "Y_OFFSET"("#c"), %%mm1     \n\t" /* 8(Y-16)*/\
-    "psubw  "Y_OFFSET"("#c"), %%mm7     \n\t" /* 8(Y-16)*/\
-    "pmulhw  "Y_COEFF"("#c"), %%mm1     \n\t"\
-    "pmulhw  "Y_COEFF"("#c"), %%mm7     \n\t"\
-    /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
-    "paddw             %%mm3, %%mm4     \n\t"\
-    "movq              %%mm2, %%mm0     \n\t"\
-    "movq              %%mm5, %%mm6     \n\t"\
-    "movq              %%mm4, %%mm3     \n\t"\
-    "punpcklwd         %%mm2, %%mm2     \n\t"\
-    "punpcklwd         %%mm5, %%mm5     \n\t"\
-    "punpcklwd         %%mm4, %%mm4     \n\t"\
-    "paddw             %%mm1, %%mm2     \n\t"\
-    "paddw             %%mm1, %%mm5     \n\t"\
-    "paddw             %%mm1, %%mm4     \n\t"\
-    "punpckhwd         %%mm0, %%mm0     \n\t"\
-    "punpckhwd         %%mm6, %%mm6     \n\t"\
-    "punpckhwd         %%mm3, %%mm3     \n\t"\
-    "paddw             %%mm7, %%mm0     \n\t"\
-    "paddw             %%mm7, %%mm6     \n\t"\
-    "paddw             %%mm7, %%mm3     \n\t"\
-    /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
-    "packuswb          %%mm0, %%mm2     \n\t"\
-    "packuswb          %%mm6, %%mm5     \n\t"\
-    "packuswb          %%mm3, %%mm4     \n\t"\
-    "pxor              %%mm7, %%mm7     \n\t"
-#define YSCALEYUV2RGB(index, c)  REAL_YSCALEYUV2RGB(index, c)
-
-#define REAL_YSCALEYUV2PACKED1(index, c) \
-    "xor            "#index", "#index"  \n\t"\
-    ASMALIGN(4)\
-    "1:                                 \n\t"\
-    "movq     (%2, "#index"), %%mm3     \n\t" /* uvbuf0[eax]*/\
-    "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm4     \n\t" /* uvbuf0[eax+2048]*/\
-    "psraw                $7, %%mm3     \n\t" \
-    "psraw                $7, %%mm4     \n\t" \
-    "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\
-    "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\
-    "psraw                $7, %%mm1     \n\t" \
-    "psraw                $7, %%mm7     \n\t" \
-
-#define YSCALEYUV2PACKED1(index, c)  REAL_YSCALEYUV2PACKED1(index, c)
-
-#define REAL_YSCALEYUV2RGB1(index, c) \
-    "xor            "#index", "#index"  \n\t"\
-    ASMALIGN(4)\
-    "1:                                 \n\t"\
-    "movq     (%2, "#index"), %%mm3     \n\t" /* uvbuf0[eax]*/\
-    "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm4     \n\t" /* uvbuf0[eax+2048]*/\
-    "psraw                $4, %%mm3     \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
-    "psraw                $4, %%mm4     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
-    "psubw  "U_OFFSET"("#c"), %%mm3     \n\t" /* (U-128)8*/\
-    "psubw  "V_OFFSET"("#c"), %%mm4     \n\t" /* (V-128)8*/\
-    "movq              %%mm3, %%mm2     \n\t" /* (U-128)8*/\
-    "movq              %%mm4, %%mm5     \n\t" /* (V-128)8*/\
-    "pmulhw "UG_COEFF"("#c"), %%mm3     \n\t"\
-    "pmulhw "VG_COEFF"("#c"), %%mm4     \n\t"\
-    /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
-    "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\
-    "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\
-    "psraw                $4, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
-    "psraw                $4, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
-    "pmulhw "UB_COEFF"("#c"), %%mm2     \n\t"\
-    "pmulhw "VR_COEFF"("#c"), %%mm5     \n\t"\
-    "psubw  "Y_OFFSET"("#c"), %%mm1     \n\t" /* 8(Y-16)*/\
-    "psubw  "Y_OFFSET"("#c"), %%mm7     \n\t" /* 8(Y-16)*/\
-    "pmulhw  "Y_COEFF"("#c"), %%mm1     \n\t"\
-    "pmulhw  "Y_COEFF"("#c"), %%mm7     \n\t"\
-    /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
-    "paddw             %%mm3, %%mm4     \n\t"\
-    "movq              %%mm2, %%mm0     \n\t"\
-    "movq              %%mm5, %%mm6     \n\t"\
-    "movq              %%mm4, %%mm3     \n\t"\
-    "punpcklwd         %%mm2, %%mm2     \n\t"\
-    "punpcklwd         %%mm5, %%mm5     \n\t"\
-    "punpcklwd         %%mm4, %%mm4     \n\t"\
-    "paddw             %%mm1, %%mm2     \n\t"\
-    "paddw             %%mm1, %%mm5     \n\t"\
-    "paddw             %%mm1, %%mm4     \n\t"\
-    "punpckhwd         %%mm0, %%mm0     \n\t"\
-    "punpckhwd         %%mm6, %%mm6     \n\t"\
-    "punpckhwd         %%mm3, %%mm3     \n\t"\
-    "paddw             %%mm7, %%mm0     \n\t"\
-    "paddw             %%mm7, %%mm6     \n\t"\
-    "paddw             %%mm7, %%mm3     \n\t"\
-    /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
-    "packuswb          %%mm0, %%mm2     \n\t"\
-    "packuswb          %%mm6, %%mm5     \n\t"\
-    "packuswb          %%mm3, %%mm4     \n\t"\
-    "pxor              %%mm7, %%mm7     \n\t"
-#define YSCALEYUV2RGB1(index, c)  REAL_YSCALEYUV2RGB1(index, c)
-
-#define REAL_YSCALEYUV2PACKED1b(index, c) \
-    "xor "#index", "#index"             \n\t"\
-    ASMALIGN(4)\
-    "1:                                 \n\t"\
-    "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
-    "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
-    "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
-    "movq "AV_STRINGIFY(VOF)"(%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\
-    "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax] + uvbuf1[eax]*/\
-    "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048] + uvbuf1[eax+2048]*/\
-    "psrlw                $8, %%mm3     \n\t" \
-    "psrlw                $8, %%mm4     \n\t" \
-    "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\
-    "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\
-    "psraw                $7, %%mm1     \n\t" \
-    "psraw                $7, %%mm7     \n\t"
-#define YSCALEYUV2PACKED1b(index, c)  REAL_YSCALEYUV2PACKED1b(index, c)
-
-// do vertical chrominance interpolation
-#define REAL_YSCALEYUV2RGB1b(index, c) \
-    "xor            "#index", "#index"  \n\t"\
-    ASMALIGN(4)\
-    "1:                                 \n\t"\
-    "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
-    "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
-    "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
-    "movq "AV_STRINGIFY(VOF)"(%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\
-    "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax] + uvbuf1[eax]*/\
-    "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048] + uvbuf1[eax+2048]*/\
-    "psrlw                $5, %%mm3     \n\t" /*FIXME might overflow*/\
-    "psrlw                $5, %%mm4     \n\t" /*FIXME might overflow*/\
-    "psubw  "U_OFFSET"("#c"), %%mm3     \n\t" /* (U-128)8*/\
-    "psubw  "V_OFFSET"("#c"), %%mm4     \n\t" /* (V-128)8*/\
-    "movq              %%mm3, %%mm2     \n\t" /* (U-128)8*/\
-    "movq              %%mm4, %%mm5     \n\t" /* (V-128)8*/\
-    "pmulhw "UG_COEFF"("#c"), %%mm3     \n\t"\
-    "pmulhw "VG_COEFF"("#c"), %%mm4     \n\t"\
-    /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
-    "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\
-    "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\
-    "psraw                $4, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
-    "psraw                $4, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
-    "pmulhw "UB_COEFF"("#c"), %%mm2     \n\t"\
-    "pmulhw "VR_COEFF"("#c"), %%mm5     \n\t"\
-    "psubw  "Y_OFFSET"("#c"), %%mm1     \n\t" /* 8(Y-16)*/\
-    "psubw  "Y_OFFSET"("#c"), %%mm7     \n\t" /* 8(Y-16)*/\
-    "pmulhw  "Y_COEFF"("#c"), %%mm1     \n\t"\
-    "pmulhw  "Y_COEFF"("#c"), %%mm7     \n\t"\
-    /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
-    "paddw             %%mm3, %%mm4     \n\t"\
-    "movq              %%mm2, %%mm0     \n\t"\
-    "movq              %%mm5, %%mm6     \n\t"\
-    "movq              %%mm4, %%mm3     \n\t"\
-    "punpcklwd         %%mm2, %%mm2     \n\t"\
-    "punpcklwd         %%mm5, %%mm5     \n\t"\
-    "punpcklwd         %%mm4, %%mm4     \n\t"\
-    "paddw             %%mm1, %%mm2     \n\t"\
-    "paddw             %%mm1, %%mm5     \n\t"\
-    "paddw             %%mm1, %%mm4     \n\t"\
-    "punpckhwd         %%mm0, %%mm0     \n\t"\
-    "punpckhwd         %%mm6, %%mm6     \n\t"\
-    "punpckhwd         %%mm3, %%mm3     \n\t"\
-    "paddw             %%mm7, %%mm0     \n\t"\
-    "paddw             %%mm7, %%mm6     \n\t"\
-    "paddw             %%mm7, %%mm3     \n\t"\
-    /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
-    "packuswb          %%mm0, %%mm2     \n\t"\
-    "packuswb          %%mm6, %%mm5     \n\t"\
-    "packuswb          %%mm3, %%mm4     \n\t"\
-    "pxor              %%mm7, %%mm7     \n\t"
-#define YSCALEYUV2RGB1b(index, c)  REAL_YSCALEYUV2RGB1b(index, c)
-
-#define REAL_WRITEBGR32(dst, dstw, index) \
-    /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
-    "movq      %%mm2, %%mm1     \n\t" /* B */\
-    "movq      %%mm5, %%mm6     \n\t" /* R */\
-    "punpcklbw %%mm4, %%mm2     \n\t" /* GBGBGBGB 0 */\
-    "punpcklbw %%mm7, %%mm5     \n\t" /* 0R0R0R0R 0 */\
-    "punpckhbw %%mm4, %%mm1     \n\t" /* GBGBGBGB 2 */\
-    "punpckhbw %%mm7, %%mm6     \n\t" /* 0R0R0R0R 2 */\
-    "movq      %%mm2, %%mm0     \n\t" /* GBGBGBGB 0 */\
-    "movq      %%mm1, %%mm3     \n\t" /* GBGBGBGB 2 */\
-    "punpcklwd %%mm5, %%mm0     \n\t" /* 0RGB0RGB 0 */\
-    "punpckhwd %%mm5, %%mm2     \n\t" /* 0RGB0RGB 1 */\
-    "punpcklwd %%mm6, %%mm1     \n\t" /* 0RGB0RGB 2 */\
-    "punpckhwd %%mm6, %%mm3     \n\t" /* 0RGB0RGB 3 */\
-\
-    MOVNTQ(%%mm0,   (dst, index, 4))\
-    MOVNTQ(%%mm2,  8(dst, index, 4))\
-    MOVNTQ(%%mm1, 16(dst, index, 4))\
-    MOVNTQ(%%mm3, 24(dst, index, 4))\
-\
-    "add      $8, "#index"      \n\t"\
-    "cmp "#dstw", "#index"      \n\t"\
-    " jb      1b                \n\t"
-#define WRITEBGR32(dst, dstw, index)  REAL_WRITEBGR32(dst, dstw, index)
-
-#define REAL_WRITERGB16(dst, dstw, index) \
-    "pand "MANGLE(bF8)", %%mm2  \n\t" /* B */\
-    "pand "MANGLE(bFC)", %%mm4  \n\t" /* G */\
-    "pand "MANGLE(bF8)", %%mm5  \n\t" /* R */\
-    "psrlq           $3, %%mm2  \n\t"\
-\
-    "movq         %%mm2, %%mm1  \n\t"\
-    "movq         %%mm4, %%mm3  \n\t"\
-\
-    "punpcklbw    %%mm7, %%mm3  \n\t"\
-    "punpcklbw    %%mm5, %%mm2  \n\t"\
-    "punpckhbw    %%mm7, %%mm4  \n\t"\
-    "punpckhbw    %%mm5, %%mm1  \n\t"\
-\
-    "psllq           $3, %%mm3  \n\t"\
-    "psllq           $3, %%mm4  \n\t"\
-\
-    "por          %%mm3, %%mm2  \n\t"\
-    "por          %%mm4, %%mm1  \n\t"\
-\
-    MOVNTQ(%%mm2,  (dst, index, 2))\
-    MOVNTQ(%%mm1, 8(dst, index, 2))\
-\
-    "add             $8, "#index"   \n\t"\
-    "cmp        "#dstw", "#index"   \n\t"\
-    " jb             1b             \n\t"
-#define WRITERGB16(dst, dstw, index)  REAL_WRITERGB16(dst, dstw, index)
-
-#define REAL_WRITERGB15(dst, dstw, index) \
-    "pand "MANGLE(bF8)", %%mm2  \n\t" /* B */\
-    "pand "MANGLE(bF8)", %%mm4  \n\t" /* G */\
-    "pand "MANGLE(bF8)", %%mm5  \n\t" /* R */\
-    "psrlq           $3, %%mm2  \n\t"\
-    "psrlq           $1, %%mm5  \n\t"\
-\
-    "movq         %%mm2, %%mm1  \n\t"\
-    "movq         %%mm4, %%mm3  \n\t"\
-\
-    "punpcklbw    %%mm7, %%mm3  \n\t"\
-    "punpcklbw    %%mm5, %%mm2  \n\t"\
-    "punpckhbw    %%mm7, %%mm4  \n\t"\
-    "punpckhbw    %%mm5, %%mm1  \n\t"\
-\
-    "psllq           $2, %%mm3  \n\t"\
-    "psllq           $2, %%mm4  \n\t"\
-\
-    "por          %%mm3, %%mm2  \n\t"\
-    "por          %%mm4, %%mm1  \n\t"\
-\
-    MOVNTQ(%%mm2,  (dst, index, 2))\
-    MOVNTQ(%%mm1, 8(dst, index, 2))\
-\
-    "add             $8, "#index"   \n\t"\
-    "cmp        "#dstw", "#index"   \n\t"\
-    " jb             1b             \n\t"
-#define WRITERGB15(dst, dstw, index)  REAL_WRITERGB15(dst, dstw, index)
-
-#define WRITEBGR24OLD(dst, dstw, index) \
-    /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
-    "movq      %%mm2, %%mm1             \n\t" /* B */\
-    "movq      %%mm5, %%mm6             \n\t" /* R */\
-    "punpcklbw %%mm4, %%mm2             \n\t" /* GBGBGBGB 0 */\
-    "punpcklbw %%mm7, %%mm5             \n\t" /* 0R0R0R0R 0 */\
-    "punpckhbw %%mm4, %%mm1             \n\t" /* GBGBGBGB 2 */\
-    "punpckhbw %%mm7, %%mm6             \n\t" /* 0R0R0R0R 2 */\
-    "movq      %%mm2, %%mm0             \n\t" /* GBGBGBGB 0 */\
-    "movq      %%mm1, %%mm3             \n\t" /* GBGBGBGB 2 */\
-    "punpcklwd %%mm5, %%mm0             \n\t" /* 0RGB0RGB 0 */\
-    "punpckhwd %%mm5, %%mm2             \n\t" /* 0RGB0RGB 1 */\
-    "punpcklwd %%mm6, %%mm1             \n\t" /* 0RGB0RGB 2 */\
-    "punpckhwd %%mm6, %%mm3             \n\t" /* 0RGB0RGB 3 */\
-\
-    "movq      %%mm0, %%mm4             \n\t" /* 0RGB0RGB 0 */\
-    "psrlq        $8, %%mm0             \n\t" /* 00RGB0RG 0 */\
-    "pand "MANGLE(bm00000111)", %%mm4   \n\t" /* 00000RGB 0 */\
-    "pand "MANGLE(bm11111000)", %%mm0   \n\t" /* 00RGB000 0.5 */\
-    "por       %%mm4, %%mm0             \n\t" /* 00RGBRGB 0 */\
-    "movq      %%mm2, %%mm4             \n\t" /* 0RGB0RGB 1 */\
-    "psllq       $48, %%mm2             \n\t" /* GB000000 1 */\
-    "por       %%mm2, %%mm0             \n\t" /* GBRGBRGB 0 */\
-\
-    "movq      %%mm4, %%mm2             \n\t" /* 0RGB0RGB 1 */\
-    "psrld       $16, %%mm4             \n\t" /* 000R000R 1 */\
-    "psrlq       $24, %%mm2             \n\t" /* 0000RGB0 1.5 */\
-    "por       %%mm4, %%mm2             \n\t" /* 000RRGBR 1 */\
-    "pand "MANGLE(bm00001111)", %%mm2   \n\t" /* 0000RGBR 1 */\
-    "movq      %%mm1, %%mm4             \n\t" /* 0RGB0RGB 2 */\
-    "psrlq        $8, %%mm1             \n\t" /* 00RGB0RG 2 */\
-    "pand "MANGLE(bm00000111)", %%mm4   \n\t" /* 00000RGB 2 */\
-    "pand "MANGLE(bm11111000)", %%mm1   \n\t" /* 00RGB000 2.5 */\
-    "por       %%mm4, %%mm1             \n\t" /* 00RGBRGB 2 */\
-    "movq      %%mm1, %%mm4             \n\t" /* 00RGBRGB 2 */\
-    "psllq       $32, %%mm1             \n\t" /* BRGB0000 2 */\
-    "por       %%mm1, %%mm2             \n\t" /* BRGBRGBR 1 */\
-\
-    "psrlq       $32, %%mm4             \n\t" /* 000000RG 2.5 */\
-    "movq      %%mm3, %%mm5             \n\t" /* 0RGB0RGB 3 */\
-    "psrlq        $8, %%mm3             \n\t" /* 00RGB0RG 3 */\
-    "pand "MANGLE(bm00000111)", %%mm5   \n\t" /* 00000RGB 3 */\
-    "pand "MANGLE(bm11111000)", %%mm3   \n\t" /* 00RGB000 3.5 */\
-    "por       %%mm5, %%mm3             \n\t" /* 00RGBRGB 3 */\
-    "psllq       $16, %%mm3             \n\t" /* RGBRGB00 3 */\
-    "por       %%mm4, %%mm3             \n\t" /* RGBRGBRG 2.5 */\
-\
-    MOVNTQ(%%mm0,   (dst))\
-    MOVNTQ(%%mm2,  8(dst))\
-    MOVNTQ(%%mm3, 16(dst))\
-    "add         $24, "#dst"            \n\t"\
-\
-    "add          $8, "#index"          \n\t"\
-    "cmp     "#dstw", "#index"          \n\t"\
-    " jb          1b                    \n\t"
-
-#define WRITEBGR24MMX(dst, dstw, index) \
-    /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
-    "movq      %%mm2, %%mm1     \n\t" /* B */\
-    "movq      %%mm5, %%mm6     \n\t" /* R */\
-    "punpcklbw %%mm4, %%mm2     \n\t" /* GBGBGBGB 0 */\
-    "punpcklbw %%mm7, %%mm5     \n\t" /* 0R0R0R0R 0 */\
-    "punpckhbw %%mm4, %%mm1     \n\t" /* GBGBGBGB 2 */\
-    "punpckhbw %%mm7, %%mm6     \n\t" /* 0R0R0R0R 2 */\
-    "movq      %%mm2, %%mm0     \n\t" /* GBGBGBGB 0 */\
-    "movq      %%mm1, %%mm3     \n\t" /* GBGBGBGB 2 */\
-    "punpcklwd %%mm5, %%mm0     \n\t" /* 0RGB0RGB 0 */\
-    "punpckhwd %%mm5, %%mm2     \n\t" /* 0RGB0RGB 1 */\
-    "punpcklwd %%mm6, %%mm1     \n\t" /* 0RGB0RGB 2 */\
-    "punpckhwd %%mm6, %%mm3     \n\t" /* 0RGB0RGB 3 */\
-\
-    "movq      %%mm0, %%mm4     \n\t" /* 0RGB0RGB 0 */\
-    "movq      %%mm2, %%mm6     \n\t" /* 0RGB0RGB 1 */\
-    "movq      %%mm1, %%mm5     \n\t" /* 0RGB0RGB 2 */\
-    "movq      %%mm3, %%mm7     \n\t" /* 0RGB0RGB 3 */\
-\
-    "psllq       $40, %%mm0     \n\t" /* RGB00000 0 */\
-    "psllq       $40, %%mm2     \n\t" /* RGB00000 1 */\
-    "psllq       $40, %%mm1     \n\t" /* RGB00000 2 */\
-    "psllq       $40, %%mm3     \n\t" /* RGB00000 3 */\
-\
-    "punpckhdq %%mm4, %%mm0     \n\t" /* 0RGBRGB0 0 */\
-    "punpckhdq %%mm6, %%mm2     \n\t" /* 0RGBRGB0 1 */\
-    "punpckhdq %%mm5, %%mm1     \n\t" /* 0RGBRGB0 2 */\
-    "punpckhdq %%mm7, %%mm3     \n\t" /* 0RGBRGB0 3 */\
-\
-    "psrlq        $8, %%mm0     \n\t" /* 00RGBRGB 0 */\
-    "movq      %%mm2, %%mm6     \n\t" /* 0RGBRGB0 1 */\
-    "psllq       $40, %%mm2     \n\t" /* GB000000 1 */\
-    "por       %%mm2, %%mm0     \n\t" /* GBRGBRGB 0 */\
-    MOVNTQ(%%mm0, (dst))\
-\
-    "psrlq       $24, %%mm6     \n\t" /* 0000RGBR 1 */\
-    "movq      %%mm1, %%mm5     \n\t" /* 0RGBRGB0 2 */\
-    "psllq       $24, %%mm1     \n\t" /* BRGB0000 2 */\
-    "por       %%mm1, %%mm6     \n\t" /* BRGBRGBR 1 */\
-    MOVNTQ(%%mm6, 8(dst))\
-\
-    "psrlq       $40, %%mm5     \n\t" /* 000000RG 2 */\
-    "psllq        $8, %%mm3     \n\t" /* RGBRGB00 3 */\
-    "por       %%mm3, %%mm5     \n\t" /* RGBRGBRG 2 */\
-    MOVNTQ(%%mm5, 16(dst))\
-\
-    "add         $24, "#dst"    \n\t"\
-\
-    "add          $8, "#index"  \n\t"\
-    "cmp     "#dstw", "#index"  \n\t"\
-    " jb          1b            \n\t"
-
-#define WRITEBGR24MMX2(dst, dstw, index) \
-    /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
-    "movq "MANGLE(ff_M24A)", %%mm0 \n\t"\
-    "movq "MANGLE(ff_M24C)", %%mm7 \n\t"\
-    "pshufw $0x50, %%mm2, %%mm1 \n\t" /* B3 B2 B3 B2  B1 B0 B1 B0 */\
-    "pshufw $0x50, %%mm4, %%mm3 \n\t" /* G3 G2 G3 G2  G1 G0 G1 G0 */\
-    "pshufw $0x00, %%mm5, %%mm6 \n\t" /* R1 R0 R1 R0  R1 R0 R1 R0 */\
-\
-    "pand   %%mm0, %%mm1        \n\t" /*    B2        B1       B0 */\
-    "pand   %%mm0, %%mm3        \n\t" /*    G2        G1       G0 */\
-    "pand   %%mm7, %%mm6        \n\t" /*       R1        R0       */\
-\
-    "psllq     $8, %%mm3        \n\t" /* G2        G1       G0    */\
-    "por    %%mm1, %%mm6        \n\t"\
-    "por    %%mm3, %%mm6        \n\t"\
-    MOVNTQ(%%mm6, (dst))\
-\
-    "psrlq     $8, %%mm4        \n\t" /* 00 G7 G6 G5  G4 G3 G2 G1 */\
-    "pshufw $0xA5, %%mm2, %%mm1 \n\t" /* B5 B4 B5 B4  B3 B2 B3 B2 */\
-    "pshufw $0x55, %%mm4, %%mm3 \n\t" /* G4 G3 G4 G3  G4 G3 G4 G3 */\
-    "pshufw $0xA5, %%mm5, %%mm6 \n\t" /* R5 R4 R5 R4  R3 R2 R3 R2 */\
-\
-    "pand "MANGLE(ff_M24B)", %%mm1 \n\t" /* B5       B4        B3    */\
-    "pand   %%mm7, %%mm3        \n\t" /*       G4        G3       */\
-    "pand   %%mm0, %%mm6        \n\t" /*    R4        R3       R2 */\
-\
-    "por    %%mm1, %%mm3        \n\t" /* B5    G4 B4     G3 B3    */\
-    "por    %%mm3, %%mm6        \n\t"\
-    MOVNTQ(%%mm6, 8(dst))\
-\
-    "pshufw $0xFF, %%mm2, %%mm1 \n\t" /* B7 B6 B7 B6  B7 B6 B6 B7 */\
-    "pshufw $0xFA, %%mm4, %%mm3 \n\t" /* 00 G7 00 G7  G6 G5 G6 G5 */\
-    "pshufw $0xFA, %%mm5, %%mm6 \n\t" /* R7 R6 R7 R6  R5 R4 R5 R4 */\
-\
-    "pand   %%mm7, %%mm1        \n\t" /*       B7        B6       */\
-    "pand   %%mm0, %%mm3        \n\t" /*    G7        G6       G5 */\
-    "pand "MANGLE(ff_M24B)", %%mm6 \n\t" /* R7       R6        R5    */\
-\
-    "por    %%mm1, %%mm3        \n\t"\
-    "por    %%mm3, %%mm6        \n\t"\
-    MOVNTQ(%%mm6, 16(dst))\
-\
-    "add      $24, "#dst"       \n\t"\
-\
-    "add       $8, "#index"     \n\t"\
-    "cmp  "#dstw", "#index"     \n\t"\
-    " jb       1b               \n\t"
-
-#ifdef HAVE_MMX2
-#undef WRITEBGR24
-#define WRITEBGR24(dst, dstw, index)  WRITEBGR24MMX2(dst, dstw, index)
-#else
-#undef WRITEBGR24
-#define WRITEBGR24(dst, dstw, index)  WRITEBGR24MMX(dst, dstw, index)
-#endif
-
-#define REAL_WRITEYUY2(dst, dstw, index) \
-    "packuswb  %%mm3, %%mm3     \n\t"\
-    "packuswb  %%mm4, %%mm4     \n\t"\
-    "packuswb  %%mm7, %%mm1     \n\t"\
-    "punpcklbw %%mm4, %%mm3     \n\t"\
-    "movq      %%mm1, %%mm7     \n\t"\
-    "punpcklbw %%mm3, %%mm1     \n\t"\
-    "punpckhbw %%mm3, %%mm7     \n\t"\
-\
-    MOVNTQ(%%mm1, (dst, index, 2))\
-    MOVNTQ(%%mm7, 8(dst, index, 2))\
-\
-    "add          $8, "#index"  \n\t"\
-    "cmp     "#dstw", "#index"  \n\t"\
-    " jb          1b            \n\t"
-#define WRITEYUY2(dst, dstw, index)  REAL_WRITEYUY2(dst, dstw, index)
-
-
-static inline void RENAME(yuv2yuvX)(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
-                                    int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
-                                    uint8_t *dest, uint8_t *uDest, uint8_t *vDest, long dstW, long chrDstW)
+static inline void yuv2yuvX_c(SwsContext *c, const int16_t *lumFilter,
+                              const int16_t **lumSrc, int lumFilterSize,
+                              const int16_t *chrFilter, const int16_t **chrSrc,
+                              int chrFilterSize, const int16_t **alpSrc,
+                              uint8_t *dest, uint8_t *uDest, uint8_t *vDest,
+                              uint8_t *aDest, long dstW, long chrDstW)
 {
-#ifdef HAVE_MMX
-    if(!(c->flags & SWS_BITEXACT)){
-        if (c->flags & SWS_ACCURATE_RND){
-            if (uDest){
-                YSCALEYUV2YV12X_ACCURATE(   "0", CHR_MMX_FILTER_OFFSET, uDest, chrDstW)
-                YSCALEYUV2YV12X_ACCURATE(AV_STRINGIFY(VOF), CHR_MMX_FILTER_OFFSET, vDest, chrDstW)
-            }
-
-            YSCALEYUV2YV12X_ACCURATE("0", LUM_MMX_FILTER_OFFSET, dest, dstW)
-        }else{
-            if (uDest){
-                YSCALEYUV2YV12X(   "0", CHR_MMX_FILTER_OFFSET, uDest, chrDstW)
-                YSCALEYUV2YV12X(AV_STRINGIFY(VOF), CHR_MMX_FILTER_OFFSET, vDest, chrDstW)
-            }
-
-            YSCALEYUV2YV12X("0", LUM_MMX_FILTER_OFFSET, dest, dstW)
-        }
-        return;
-    }
-#endif
-#ifdef HAVE_ALTIVEC
-yuv2yuvX_altivec_real(lumFilter, lumSrc, lumFilterSize,
-                      chrFilter, chrSrc, chrFilterSize,
-                      dest, uDest, vDest, dstW, chrDstW);
-#else //HAVE_ALTIVEC
-yuv2yuvXinC(lumFilter, lumSrc, lumFilterSize,
-            chrFilter, chrSrc, chrFilterSize,
-            dest, uDest, vDest, dstW, chrDstW);
-#endif //!HAVE_ALTIVEC
+    yuv2yuvXinC(lumFilter, lumSrc, lumFilterSize,
+                chrFilter, chrSrc, chrFilterSize,
+                alpSrc, dest, uDest, vDest, aDest, dstW, chrDstW);
 }
 
-static inline void RENAME(yuv2nv12X)(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
-                                     int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
-                                     uint8_t *dest, uint8_t *uDest, int dstW, int chrDstW, int dstFormat)
+static inline void yuv2nv12X_c(SwsContext *c, const int16_t *lumFilter,
+                               const int16_t **lumSrc, int lumFilterSize,
+                               const int16_t *chrFilter, const int16_t **chrSrc,
+                               int chrFilterSize, uint8_t *dest, uint8_t *uDest,
+                               int dstW, int chrDstW, enum PixelFormat dstFormat)
 {
-yuv2nv12XinC(lumFilter, lumSrc, lumFilterSize,
-             chrFilter, chrSrc, chrFilterSize,
-             dest, uDest, dstW, chrDstW, dstFormat);
+    yuv2nv12XinC(lumFilter, lumSrc, lumFilterSize,
+                 chrFilter, chrSrc, chrFilterSize,
+                 dest, uDest, dstW, chrDstW, dstFormat);
 }
 
-static inline void RENAME(yuv2yuv1)(SwsContext *c, int16_t *lumSrc, int16_t *chrSrc,
-                                    uint8_t *dest, uint8_t *uDest, uint8_t *vDest, long dstW, long chrDstW)
+static inline void yuv2yuv1_c(SwsContext *c, const int16_t *lumSrc,
+                              const int16_t *chrSrc, const int16_t *alpSrc,
+                              uint8_t *dest, uint8_t *uDest, uint8_t *vDest,
+                              uint8_t *aDest, long dstW, long chrDstW)
 {
     int i;
-#ifdef HAVE_MMX
-    if(!(c->flags & SWS_BITEXACT)){
-        long p= uDest ? 3 : 1;
-        uint8_t *src[3]= {lumSrc + dstW, chrSrc + chrDstW, chrSrc + VOFW + chrDstW};
-        uint8_t *dst[3]= {dest, uDest, vDest};
-        long counter[3] = {dstW, chrDstW, chrDstW};
-
-        if (c->flags & SWS_ACCURATE_RND){
-            while(p--){
-                asm volatile(
-                    YSCALEYUV2YV121_ACCURATE
-                    :: "r" (src[p]), "r" (dst[p] + counter[p]),
-                    "g" (-counter[p])
-                    : "%"REG_a
-                );
-            }
-        }else{
-            while(p--){
-                asm volatile(
-                    YSCALEYUV2YV121
-                    :: "r" (src[p]), "r" (dst[p] + counter[p]),
-                    "g" (-counter[p])
-                    : "%"REG_a
-                );
-            }
-        }
-        return;
-    }
-#endif
-    for (i=0; i<dstW; i++)
-    {
+    for (i=0; i<dstW; i++) {
         int val= (lumSrc[i]+64)>>7;
 
-        if (val&256){
+        if (val&256) {
             if (val<0) val=0;
             else       val=255;
         }
@@ -1035,12 +59,11 @@ static inline void RENAME(yuv2yuv1)(SwsContext *c, int16_t *lumSrc, int16_t *chr
     }
 
     if (uDest)
-        for (i=0; i<chrDstW; i++)
-        {
+        for (i=0; i<chrDstW; i++) {
             int u=(chrSrc[i       ]+64)>>7;
             int v=(chrSrc[i + VOFW]+64)>>7;
 
-            if ((u|v)&256){
+            if ((u|v)&256) {
                 if (u<0)        u=0;
                 else if (u>255) u=255;
                 if (v<0)        v=0;
@@ -1050,1006 +73,206 @@ static inline void RENAME(yuv2yuv1)(SwsContext *c, int16_t *lumSrc, int16_t *chr
             uDest[i]= u;
             vDest[i]= v;
         }
+
+    if (CONFIG_SWSCALE_ALPHA && aDest)
+        for (i=0; i<dstW; i++) {
+            int val= (alpSrc[i]+64)>>7;
+            aDest[i]= av_clip_uint8(val);
+        }
 }
 
 
 /**
  * vertical scale YV12 to RGB
  */
-static inline void RENAME(yuv2packedX)(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
-                                       int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
-                                       uint8_t *dest, long dstW, long dstY)
+static inline void yuv2packedX_c(SwsContext *c, const int16_t *lumFilter,
+                                 const int16_t **lumSrc, int lumFilterSize,
+                                 const int16_t *chrFilter, const int16_t **chrSrc,
+                                 int chrFilterSize, const int16_t **alpSrc,
+                                 uint8_t *dest, long dstW, long dstY)
 {
-#ifdef HAVE_MMX
-    long dummy=0;
-    if(!(c->flags & SWS_BITEXACT)){
-        if (c->flags & SWS_ACCURATE_RND){
-            switch(c->dstFormat){
-            case PIX_FMT_RGB32:
-                YSCALEYUV2PACKEDX_ACCURATE
-                YSCALEYUV2RGBX
-                WRITEBGR32(%4, %5, %%REGa)
-
-                YSCALEYUV2PACKEDX_END
-                return;
-            case PIX_FMT_BGR24:
-                YSCALEYUV2PACKEDX_ACCURATE
-                YSCALEYUV2RGBX
-                "lea (%%"REG_a", %%"REG_a", 2), %%"REG_c"\n\t" //FIXME optimize
-                "add %4, %%"REG_c"                        \n\t"
-                WRITEBGR24(%%REGc, %5, %%REGa)
-
-
-                :: "r" (&c->redDither),
-                "m" (dummy), "m" (dummy), "m" (dummy),
-                "r" (dest), "m" (dstW)
-                : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S
-                );
-                return;
-            case PIX_FMT_RGB555:
-                YSCALEYUV2PACKEDX_ACCURATE
-                YSCALEYUV2RGBX
-                /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
-#ifdef DITHER1XBPP
-                "paddusb "MANGLE(b5Dither)", %%mm2\n\t"
-                "paddusb "MANGLE(g5Dither)", %%mm4\n\t"
-                "paddusb "MANGLE(r5Dither)", %%mm5\n\t"
-#endif
-
-                WRITERGB15(%4, %5, %%REGa)
-                YSCALEYUV2PACKEDX_END
-                return;
-            case PIX_FMT_RGB565:
-                YSCALEYUV2PACKEDX_ACCURATE
-                YSCALEYUV2RGBX
-                /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
-#ifdef DITHER1XBPP
-                "paddusb "MANGLE(b5Dither)", %%mm2\n\t"
-                "paddusb "MANGLE(g6Dither)", %%mm4\n\t"
-                "paddusb "MANGLE(r5Dither)", %%mm5\n\t"
-#endif
-
-                WRITERGB16(%4, %5, %%REGa)
-                YSCALEYUV2PACKEDX_END
-                return;
-            case PIX_FMT_YUYV422:
-                YSCALEYUV2PACKEDX_ACCURATE
-                /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
-
-                "psraw $3, %%mm3    \n\t"
-                "psraw $3, %%mm4    \n\t"
-                "psraw $3, %%mm1    \n\t"
-                "psraw $3, %%mm7    \n\t"
-                WRITEYUY2(%4, %5, %%REGa)
-                YSCALEYUV2PACKEDX_END
-                return;
-            }
-        }else{
-            switch(c->dstFormat)
-            {
-            case PIX_FMT_RGB32:
-                YSCALEYUV2PACKEDX
-                YSCALEYUV2RGBX
-                WRITEBGR32(%4, %5, %%REGa)
-                YSCALEYUV2PACKEDX_END
-                return;
-            case PIX_FMT_BGR24:
-                YSCALEYUV2PACKEDX
-                YSCALEYUV2RGBX
-                "lea (%%"REG_a", %%"REG_a", 2), %%"REG_c"   \n\t" //FIXME optimize
-                "add                        %4, %%"REG_c"   \n\t"
-                WRITEBGR24(%%REGc, %5, %%REGa)
-
-                :: "r" (&c->redDither),
-                "m" (dummy), "m" (dummy), "m" (dummy),
-                "r" (dest),  "m" (dstW)
-                : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S
-                );
-                return;
-            case PIX_FMT_RGB555:
-                YSCALEYUV2PACKEDX
-                YSCALEYUV2RGBX
-                /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
-#ifdef DITHER1XBPP
-                "paddusb "MANGLE(b5Dither)", %%mm2  \n\t"
-                "paddusb "MANGLE(g5Dither)", %%mm4  \n\t"
-                "paddusb "MANGLE(r5Dither)", %%mm5  \n\t"
-#endif
-
-                WRITERGB15(%4, %5, %%REGa)
-                YSCALEYUV2PACKEDX_END
-                return;
-            case PIX_FMT_RGB565:
-                YSCALEYUV2PACKEDX
-                YSCALEYUV2RGBX
-                /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
-#ifdef DITHER1XBPP
-                "paddusb "MANGLE(b5Dither)", %%mm2  \n\t"
-                "paddusb "MANGLE(g6Dither)", %%mm4  \n\t"
-                "paddusb "MANGLE(r5Dither)", %%mm5  \n\t"
-#endif
-
-                WRITERGB16(%4, %5, %%REGa)
-                YSCALEYUV2PACKEDX_END
-                return;
-            case PIX_FMT_YUYV422:
-                YSCALEYUV2PACKEDX
-                /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
-
-                "psraw $3, %%mm3    \n\t"
-                "psraw $3, %%mm4    \n\t"
-                "psraw $3, %%mm1    \n\t"
-                "psraw $3, %%mm7    \n\t"
-                WRITEYUY2(%4, %5, %%REGa)
-                YSCALEYUV2PACKEDX_END
-                return;
-            }
-        }
-    }
-#endif /* HAVE_MMX */
-#ifdef HAVE_ALTIVEC
-    /* The following list of supported dstFormat values should
-       match what's found in the body of altivec_yuv2packedX() */
-    if (c->dstFormat==PIX_FMT_ABGR  || c->dstFormat==PIX_FMT_BGRA  ||
-        c->dstFormat==PIX_FMT_BGR24 || c->dstFormat==PIX_FMT_RGB24 ||
-        c->dstFormat==PIX_FMT_RGBA  || c->dstFormat==PIX_FMT_ARGB)
-            altivec_yuv2packedX (c, lumFilter, lumSrc, lumFilterSize,
-                                 chrFilter, chrSrc, chrFilterSize,
-                                 dest, dstW, dstY);
-    else
-#endif
         yuv2packedXinC(c, lumFilter, lumSrc, lumFilterSize,
                        chrFilter, chrSrc, chrFilterSize,
-                       dest, dstW, dstY);
+                       alpSrc, dest, dstW, dstY);
 }
 
 /**
  * vertical bilinear scale YV12 to RGB
  */
-static inline void RENAME(yuv2packed2)(SwsContext *c, uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, uint16_t *uvbuf1,
-                          uint8_t *dest, int dstW, int yalpha, int uvalpha, int y)
+static inline void yuv2packed2_c(SwsContext *c, const uint16_t *buf0,
+                                 const uint16_t *buf1, const uint16_t *uvbuf0,
+                                 const uint16_t *uvbuf1, const uint16_t *abuf0,
+                                 const uint16_t *abuf1, uint8_t *dest, int dstW,
+                                 int yalpha, int uvalpha, int y)
 {
     int  yalpha1=4095- yalpha;
     int uvalpha1=4095-uvalpha;
     int i;
 
-#if 0 //isn't used
-    if (flags&SWS_FULL_CHR_H_INT)
-    {
-        switch(dstFormat)
-        {
-#ifdef HAVE_MMX
-        case PIX_FMT_RGB32:
-            asm volatile(
-
-
-FULL_YSCALEYUV2RGB
-            "punpcklbw %%mm1, %%mm3    \n\t" // BGBGBGBG
-            "punpcklbw %%mm7, %%mm0    \n\t" // R0R0R0R0
-
-            "movq      %%mm3, %%mm1    \n\t"
-            "punpcklwd %%mm0, %%mm3    \n\t" // BGR0BGR0
-            "punpckhwd %%mm0, %%mm1    \n\t" // BGR0BGR0
-
-            MOVNTQ(%%mm3,  (%4, %%REGa, 4))
-            MOVNTQ(%%mm1, 8(%4, %%REGa, 4))
-
-            "add $4, %%"REG_a"  \n\t"
-            "cmp %5, %%"REG_a"  \n\t"
-            " jb 1b             \n\t"
-
-            :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" ((long)dstW),
-            "m" (yalpha1), "m" (uvalpha1)
-            : "%"REG_a
-            );
-            break;
-        case PIX_FMT_BGR24:
-            asm volatile(
-
-FULL_YSCALEYUV2RGB
-
-                                              // lsb ... msb
-            "punpcklbw %%mm1, %%mm3     \n\t" // BGBGBGBG
-            "punpcklbw %%mm7, %%mm0     \n\t" // R0R0R0R0
-
-            "movq      %%mm3, %%mm1     \n\t"
-            "punpcklwd %%mm0, %%mm3     \n\t" // BGR0BGR0
-            "punpckhwd %%mm0, %%mm1     \n\t" // BGR0BGR0
-
-            "movq      %%mm3, %%mm2     \n\t" // BGR0BGR0
-            "psrlq        $8, %%mm3     \n\t" // GR0BGR00
-            "pand "MANGLE(bm00000111)", %%mm2   \n\t" // BGR00000
-            "pand "MANGLE(bm11111000)", %%mm3   \n\t" // 000BGR00
-            "por       %%mm2, %%mm3     \n\t" // BGRBGR00
-            "movq      %%mm1, %%mm2     \n\t"
-            "psllq       $48, %%mm1     \n\t" // 000000BG
-            "por       %%mm1, %%mm3     \n\t" // BGRBGRBG
-
-            "movq      %%mm2, %%mm1     \n\t" // BGR0BGR0
-            "psrld       $16, %%mm2     \n\t" // R000R000
-            "psrlq       $24, %%mm1     \n\t" // 0BGR0000
-            "por       %%mm2, %%mm1     \n\t" // RBGRR000
-
-            "mov          %4, %%"REG_b" \n\t"
-            "add   %%"REG_a", %%"REG_b" \n\t"
-
-#ifdef HAVE_MMX2
-            //FIXME Alignment
-            "movntq %%mm3,  (%%"REG_b", %%"REG_a", 2)   \n\t"
-            "movntq %%mm1, 8(%%"REG_b", %%"REG_a", 2)   \n\t"
-#else
-            "movd %%mm3,  (%%"REG_b", %%"REG_a", 2)     \n\t"
-            "psrlq  $32, %%mm3                          \n\t"
-            "movd %%mm3, 4(%%"REG_b", %%"REG_a", 2)     \n\t"
-            "movd %%mm1, 8(%%"REG_b", %%"REG_a", 2)     \n\t"
-#endif
-            "add     $4, %%"REG_a"                      \n\t"
-            "cmp     %5, %%"REG_a"                      \n\t"
-            " jb     1b                                 \n\t"
-
-            :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest), "m" (dstW),
-            "m" (yalpha1), "m" (uvalpha1)
-            : "%"REG_a, "%"REG_b
-            );
-            break;
-        case PIX_FMT_BGR555:
-            asm volatile(
-
-FULL_YSCALEYUV2RGB
-#ifdef DITHER1XBPP
-            "paddusb "MANGLE(g5Dither)", %%mm1  \n\t"
-            "paddusb "MANGLE(r5Dither)", %%mm0  \n\t"
-            "paddusb "MANGLE(b5Dither)", %%mm3  \n\t"
-#endif
-            "punpcklbw            %%mm7, %%mm1  \n\t" // 0G0G0G0G
-            "punpcklbw            %%mm7, %%mm3  \n\t" // 0B0B0B0B
-            "punpcklbw            %%mm7, %%mm0  \n\t" // 0R0R0R0R
-
-            "psrlw                   $3, %%mm3  \n\t"
-            "psllw                   $2, %%mm1  \n\t"
-            "psllw                   $7, %%mm0  \n\t"
-            "pand     "MANGLE(g15Mask)", %%mm1  \n\t"
-            "pand     "MANGLE(r15Mask)", %%mm0  \n\t"
-
-            "por                  %%mm3, %%mm1  \n\t"
-            "por                  %%mm1, %%mm0  \n\t"
-
-            MOVNTQ(%%mm0, (%4, %%REGa, 2))
-
-            "add $4, %%"REG_a"  \n\t"
-            "cmp %5, %%"REG_a"  \n\t"
-            " jb 1b             \n\t"
-
-            :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
-            "m" (yalpha1), "m" (uvalpha1)
-            : "%"REG_a
-            );
-            break;
-        case PIX_FMT_BGR565:
-            asm volatile(
-
-FULL_YSCALEYUV2RGB
-#ifdef DITHER1XBPP
-            "paddusb "MANGLE(g6Dither)", %%mm1  \n\t"
-            "paddusb "MANGLE(r5Dither)", %%mm0  \n\t"
-            "paddusb "MANGLE(b5Dither)", %%mm3  \n\t"
-#endif
-            "punpcklbw            %%mm7, %%mm1  \n\t" // 0G0G0G0G
-            "punpcklbw            %%mm7, %%mm3  \n\t" // 0B0B0B0B
-            "punpcklbw            %%mm7, %%mm0  \n\t" // 0R0R0R0R
-
-            "psrlw                   $3, %%mm3  \n\t"
-            "psllw                   $3, %%mm1  \n\t"
-            "psllw                   $8, %%mm0  \n\t"
-            "pand     "MANGLE(g16Mask)", %%mm1  \n\t"
-            "pand     "MANGLE(r16Mask)", %%mm0  \n\t"
-
-            "por                  %%mm3, %%mm1  \n\t"
-            "por                  %%mm1, %%mm0  \n\t"
-
-            MOVNTQ(%%mm0, (%4, %%REGa, 2))
-
-            "add $4, %%"REG_a"  \n\t"
-            "cmp %5, %%"REG_a"  \n\t"
-            " jb 1b             \n\t"
-
-            :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
-            "m" (yalpha1), "m" (uvalpha1)
-            : "%"REG_a
-            );
-            break;
-#endif /* HAVE_MMX */
-        case PIX_FMT_BGR32:
-#ifndef HAVE_MMX
-        case PIX_FMT_RGB32:
-#endif
-            if (dstFormat==PIX_FMT_RGB32)
-            {
-                int i;
-#ifdef WORDS_BIGENDIAN
-                dest++;
-#endif
-                for (i=0;i<dstW;i++){
-                    // vertical linear interpolation && yuv2rgb in a single step:
-                    int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
-                    int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);
-                    int V=((uvbuf0[i+VOFW]*uvalpha1+uvbuf1[i+VOFW]*uvalpha)>>19);
-                    dest[0]=clip_table[((Y + yuvtab_40cf[U]) >>13)];
-                    dest[1]=clip_table[((Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13)];
-                    dest[2]=clip_table[((Y + yuvtab_3343[V]) >>13)];
-                    dest+= 4;
-                }
-            }
-            else if (dstFormat==PIX_FMT_BGR24)
-            {
-                int i;
-                for (i=0;i<dstW;i++){
-                    // vertical linear interpolation && yuv2rgb in a single step:
-                    int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
-                    int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);
-                    int V=((uvbuf0[i+VOFW]*uvalpha1+uvbuf1[i+VOFW]*uvalpha)>>19);
-                    dest[0]=clip_table[((Y + yuvtab_40cf[U]) >>13)];
-                    dest[1]=clip_table[((Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13)];
-                    dest[2]=clip_table[((Y + yuvtab_3343[V]) >>13)];
-                    dest+= 3;
-                }
-            }
-            else if (dstFormat==PIX_FMT_BGR565)
-            {
-                int i;
-                for (i=0;i<dstW;i++){
-                    // vertical linear interpolation && yuv2rgb in a single step:
-                    int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
-                    int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);
-                    int V=((uvbuf0[i+VOFW]*uvalpha1+uvbuf1[i+VOFW]*uvalpha)>>19);
-
-                    ((uint16_t*)dest)[i] =
-                        clip_table16b[(Y + yuvtab_40cf[U]) >>13] |
-                        clip_table16g[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13] |
-                        clip_table16r[(Y + yuvtab_3343[V]) >>13];
-                }
-            }
-            else if (dstFormat==PIX_FMT_BGR555)
-            {
-                int i;
-                for (i=0;i<dstW;i++){
-                    // vertical linear interpolation && yuv2rgb in a single step:
-                    int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
-                    int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);
-                    int V=((uvbuf0[i+VOFW]*uvalpha1+uvbuf1[i+VOFW]*uvalpha)>>19);
-
-                    ((uint16_t*)dest)[i] =
-                        clip_table15b[(Y + yuvtab_40cf[U]) >>13] |
-                        clip_table15g[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13] |
-                        clip_table15r[(Y + yuvtab_3343[V]) >>13];
-                }
-            }
-        }//FULL_UV_IPOL
-    else
-    {
-#endif // if 0
-#ifdef HAVE_MMX
-    if(!(c->flags & SWS_BITEXACT)){
-        switch(c->dstFormat)
-        {
-            //Note 8280 == DSTW_OFFSET but the preprocessor can't handle that there :(
-            case PIX_FMT_RGB32:
-                asm volatile(
-                "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                "mov        %4, %%"REG_b"               \n\t"
-                "push %%"REG_BP"                        \n\t"
-                YSCALEYUV2RGB(%%REGBP, %5)
-                WRITEBGR32(%%REGb, 8280(%5), %%REGBP)
-                "pop %%"REG_BP"                         \n\t"
-                "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-
-                :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                "a" (&c->redDither)
-                );
-                return;
-            case PIX_FMT_BGR24:
-                asm volatile(
-                "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                "mov        %4, %%"REG_b"               \n\t"
-                "push %%"REG_BP"                        \n\t"
-                YSCALEYUV2RGB(%%REGBP, %5)
-                WRITEBGR24(%%REGb, 8280(%5), %%REGBP)
-                "pop %%"REG_BP"                         \n\t"
-                "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-                :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                "a" (&c->redDither)
-                );
-                return;
-            case PIX_FMT_RGB555:
-                asm volatile(
-                "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                "mov        %4, %%"REG_b"               \n\t"
-                "push %%"REG_BP"                        \n\t"
-                YSCALEYUV2RGB(%%REGBP, %5)
-                /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
-#ifdef DITHER1XBPP
-                "paddusb "MANGLE(b5Dither)", %%mm2      \n\t"
-                "paddusb "MANGLE(g5Dither)", %%mm4      \n\t"
-                "paddusb "MANGLE(r5Dither)", %%mm5      \n\t"
-#endif
-
-                WRITERGB15(%%REGb, 8280(%5), %%REGBP)
-                "pop %%"REG_BP"                         \n\t"
-                "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-
-                :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                "a" (&c->redDither)
-                );
-                return;
-            case PIX_FMT_RGB565:
-                asm volatile(
-                "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                "mov        %4, %%"REG_b"               \n\t"
-                "push %%"REG_BP"                        \n\t"
-                YSCALEYUV2RGB(%%REGBP, %5)
-                /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
-#ifdef DITHER1XBPP
-                "paddusb "MANGLE(b5Dither)", %%mm2      \n\t"
-                "paddusb "MANGLE(g6Dither)", %%mm4      \n\t"
-                "paddusb "MANGLE(r5Dither)", %%mm5      \n\t"
-#endif
-
-                WRITERGB16(%%REGb, 8280(%5), %%REGBP)
-                "pop %%"REG_BP"                         \n\t"
-                "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-                :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                "a" (&c->redDither)
-                );
-                return;
-            case PIX_FMT_YUYV422:
-                asm volatile(
-                "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                "mov %4, %%"REG_b"                        \n\t"
-                "push %%"REG_BP"                        \n\t"
-                YSCALEYUV2PACKED(%%REGBP, %5)
-                WRITEYUY2(%%REGb, 8280(%5), %%REGBP)
-                "pop %%"REG_BP"                         \n\t"
-                "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-                :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                "a" (&c->redDither)
-                );
-                return;
-            default: break;
-        }
-    }
-#endif //HAVE_MMX
-YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB2_C, YSCALE_YUV_2_PACKED2_C, YSCALE_YUV_2_GRAY16_2_C, YSCALE_YUV_2_MONO2_C)
+    YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB2_C, YSCALE_YUV_2_PACKED2_C(void,0), YSCALE_YUV_2_GRAY16_2_C, YSCALE_YUV_2_MONO2_C)
 }
 
 /**
  * YV12 to RGB without scaling or interpolating
  */
-static inline void RENAME(yuv2packed1)(SwsContext *c, uint16_t *buf0, uint16_t *uvbuf0, uint16_t *uvbuf1,
-                          uint8_t *dest, int dstW, int uvalpha, int dstFormat, int flags, int y)
+static inline void yuv2packed1_c(SwsContext *c, const uint16_t *buf0,
+                                 const uint16_t *uvbuf0, const uint16_t *uvbuf1,
+                                 const uint16_t *abuf0, uint8_t *dest, int dstW,
+                                 int uvalpha, enum PixelFormat dstFormat,
+                                 int flags, int y)
 {
     const int yalpha1=0;
     int i;
 
-    uint16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
+    const uint16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
     const int yalpha= 4096; //FIXME ...
 
-    if (flags&SWS_FULL_CHR_H_INT)
-    {
-        RENAME(yuv2packed2)(c, buf0, buf0, uvbuf0, uvbuf1, dest, dstW, 0, uvalpha, y);
+    if (flags&SWS_FULL_CHR_H_INT) {
+        c->yuv2packed2(c, buf0, buf0, uvbuf0, uvbuf1, abuf0, abuf0, dest, dstW, 0, uvalpha, y);
         return;
     }
 
-#ifdef HAVE_MMX
-    if(!(flags & SWS_BITEXACT)){
-        if (uvalpha < 2048) // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster
-        {
-            switch(dstFormat)
-            {
-            case PIX_FMT_RGB32:
-                asm volatile(
-                "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                "mov        %4, %%"REG_b"               \n\t"
-                "push %%"REG_BP"                        \n\t"
-                YSCALEYUV2RGB1(%%REGBP, %5)
-                WRITEBGR32(%%REGb, 8280(%5), %%REGBP)
-                "pop %%"REG_BP"                         \n\t"
-                "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-
-                :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                "a" (&c->redDither)
-                );
-                return;
-            case PIX_FMT_BGR24:
-                asm volatile(
-                "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                "mov        %4, %%"REG_b"               \n\t"
-                "push %%"REG_BP"                        \n\t"
-                YSCALEYUV2RGB1(%%REGBP, %5)
-                WRITEBGR24(%%REGb, 8280(%5), %%REGBP)
-                "pop %%"REG_BP"                         \n\t"
-                "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-
-                :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                "a" (&c->redDither)
-                );
-                return;
-            case PIX_FMT_RGB555:
-                asm volatile(
-                "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                "mov        %4, %%"REG_b"               \n\t"
-                "push %%"REG_BP"                        \n\t"
-                YSCALEYUV2RGB1(%%REGBP, %5)
-                /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
-#ifdef DITHER1XBPP
-                "paddusb "MANGLE(b5Dither)", %%mm2      \n\t"
-                "paddusb "MANGLE(g5Dither)", %%mm4      \n\t"
-                "paddusb "MANGLE(r5Dither)", %%mm5      \n\t"
-#endif
-                WRITERGB15(%%REGb, 8280(%5), %%REGBP)
-                "pop %%"REG_BP"                         \n\t"
-                "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-
-                :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                "a" (&c->redDither)
-                );
-                return;
-            case PIX_FMT_RGB565:
-                asm volatile(
-                "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                "mov        %4, %%"REG_b"               \n\t"
-                "push %%"REG_BP"                        \n\t"
-                YSCALEYUV2RGB1(%%REGBP, %5)
-                /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
-#ifdef DITHER1XBPP
-                "paddusb "MANGLE(b5Dither)", %%mm2      \n\t"
-                "paddusb "MANGLE(g6Dither)", %%mm4      \n\t"
-                "paddusb "MANGLE(r5Dither)", %%mm5      \n\t"
-#endif
-
-                WRITERGB16(%%REGb, 8280(%5), %%REGBP)
-                "pop %%"REG_BP"                         \n\t"
-                "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-
-                :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                "a" (&c->redDither)
-                );
-                return;
-            case PIX_FMT_YUYV422:
-                asm volatile(
-                "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                "mov        %4, %%"REG_b"               \n\t"
-                "push %%"REG_BP"                        \n\t"
-                YSCALEYUV2PACKED1(%%REGBP, %5)
-                WRITEYUY2(%%REGb, 8280(%5), %%REGBP)
-                "pop %%"REG_BP"                         \n\t"
-                "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-
-                :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                "a" (&c->redDither)
-                );
-                return;
-            }
-        }
-        else
-        {
-            switch(dstFormat)
-            {
-            case PIX_FMT_RGB32:
-                asm volatile(
-                "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                "mov        %4, %%"REG_b"               \n\t"
-                "push %%"REG_BP"                        \n\t"
-                YSCALEYUV2RGB1b(%%REGBP, %5)
-                WRITEBGR32(%%REGb, 8280(%5), %%REGBP)
-                "pop %%"REG_BP"                         \n\t"
-                "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-
-                :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                "a" (&c->redDither)
-                );
-                return;
-            case PIX_FMT_BGR24:
-                asm volatile(
-                "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                "mov        %4, %%"REG_b"               \n\t"
-                "push %%"REG_BP"                        \n\t"
-                YSCALEYUV2RGB1b(%%REGBP, %5)
-                WRITEBGR24(%%REGb, 8280(%5), %%REGBP)
-                "pop %%"REG_BP"                         \n\t"
-                "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-
-                :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                "a" (&c->redDither)
-                );
-                return;
-            case PIX_FMT_RGB555:
-                asm volatile(
-                "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                "mov        %4, %%"REG_b"               \n\t"
-                "push %%"REG_BP"                        \n\t"
-                YSCALEYUV2RGB1b(%%REGBP, %5)
-                /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
-#ifdef DITHER1XBPP
-                "paddusb "MANGLE(b5Dither)", %%mm2      \n\t"
-                "paddusb "MANGLE(g5Dither)", %%mm4      \n\t"
-                "paddusb "MANGLE(r5Dither)", %%mm5      \n\t"
-#endif
-                WRITERGB15(%%REGb, 8280(%5), %%REGBP)
-                "pop %%"REG_BP"                         \n\t"
-                "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-
-                :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                "a" (&c->redDither)
-                );
-                return;
-            case PIX_FMT_RGB565:
-                asm volatile(
-                "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                "mov        %4, %%"REG_b"               \n\t"
-                "push %%"REG_BP"                        \n\t"
-                YSCALEYUV2RGB1b(%%REGBP, %5)
-                /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
-#ifdef DITHER1XBPP
-                "paddusb "MANGLE(b5Dither)", %%mm2      \n\t"
-                "paddusb "MANGLE(g6Dither)", %%mm4      \n\t"
-                "paddusb "MANGLE(r5Dither)", %%mm5      \n\t"
-#endif
-
-                WRITERGB16(%%REGb, 8280(%5), %%REGBP)
-                "pop %%"REG_BP"                         \n\t"
-                "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-
-                :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                "a" (&c->redDither)
-                );
-                return;
-            case PIX_FMT_YUYV422:
-                asm volatile(
-                "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                "mov        %4, %%"REG_b"               \n\t"
-                "push %%"REG_BP"                        \n\t"
-                YSCALEYUV2PACKED1b(%%REGBP, %5)
-                WRITEYUY2(%%REGb, 8280(%5), %%REGBP)
-                "pop %%"REG_BP"                         \n\t"
-                "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-
-                :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                "a" (&c->redDither)
-                );
-                return;
-            }
-        }
-    }
-#endif /* HAVE_MMX */
-    if (uvalpha < 2048)
-    {
-        YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB1_C, YSCALE_YUV_2_PACKED1_C, YSCALE_YUV_2_GRAY16_1_C, YSCALE_YUV_2_MONO2_C)
-    }else{
-        YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB1B_C, YSCALE_YUV_2_PACKED1B_C, YSCALE_YUV_2_GRAY16_1_C, YSCALE_YUV_2_MONO2_C)
+    if (uvalpha < 2048) {
+        YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB1_C, YSCALE_YUV_2_PACKED1_C(void,0), YSCALE_YUV_2_GRAY16_1_C, YSCALE_YUV_2_MONO2_C)
+    } else {
+        YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB1B_C, YSCALE_YUV_2_PACKED1B_C(void,0), YSCALE_YUV_2_GRAY16_1_C, YSCALE_YUV_2_MONO2_C)
     }
 }
 
 //FIXME yuy2* can read up to 7 samples too much
 
-static inline void RENAME(yuy2ToY)(uint8_t *dst, uint8_t *src, long width)
+static inline void yuy2ToY_c(uint8_t *dst, const uint8_t *src, long width,
+                             uint32_t *unused)
 {
-#ifdef HAVE_MMX
-    asm volatile(
-    "movq "MANGLE(bm01010101)", %%mm2           \n\t"
-    "mov                    %0, %%"REG_a"       \n\t"
-    "1:                                         \n\t"
-    "movq    (%1, %%"REG_a",2), %%mm0           \n\t"
-    "movq   8(%1, %%"REG_a",2), %%mm1           \n\t"
-    "pand                %%mm2, %%mm0           \n\t"
-    "pand                %%mm2, %%mm1           \n\t"
-    "packuswb            %%mm1, %%mm0           \n\t"
-    "movq                %%mm0, (%2, %%"REG_a") \n\t"
-    "add                    $8, %%"REG_a"       \n\t"
-    " js                    1b                  \n\t"
-    : : "g" (-width), "r" (src+width*2), "r" (dst+width)
-    : "%"REG_a
-    );
-#else
     int i;
     for (i=0; i<width; i++)
         dst[i]= src[2*i];
-#endif
 }
 
-static inline void RENAME(yuy2ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
+static inline void yuy2ToUV_c(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1,
+                              const uint8_t *src2, long width, uint32_t *unused)
 {
-#ifdef HAVE_MMX
-    asm volatile(
-    "movq "MANGLE(bm01010101)", %%mm4           \n\t"
-    "mov                    %0, %%"REG_a"       \n\t"
-    "1:                                         \n\t"
-    "movq    (%1, %%"REG_a",4), %%mm0           \n\t"
-    "movq   8(%1, %%"REG_a",4), %%mm1           \n\t"
-    "psrlw                  $8, %%mm0           \n\t"
-    "psrlw                  $8, %%mm1           \n\t"
-    "packuswb            %%mm1, %%mm0           \n\t"
-    "movq                %%mm0, %%mm1           \n\t"
-    "psrlw                  $8, %%mm0           \n\t"
-    "pand                %%mm4, %%mm1           \n\t"
-    "packuswb            %%mm0, %%mm0           \n\t"
-    "packuswb            %%mm1, %%mm1           \n\t"
-    "movd                %%mm0, (%3, %%"REG_a") \n\t"
-    "movd                %%mm1, (%2, %%"REG_a") \n\t"
-    "add                    $4, %%"REG_a"       \n\t"
-    " js                    1b                  \n\t"
-    : : "g" (-width), "r" (src1+width*4), "r" (dstU+width), "r" (dstV+width)
-    : "%"REG_a
-    );
-#else
     int i;
-    for (i=0; i<width; i++)
-    {
+    for (i=0; i<width; i++) {
         dstU[i]= src1[4*i + 1];
         dstV[i]= src1[4*i + 3];
     }
-#endif
     assert(src1 == src2);
 }
 
+static inline void LEToUV_c(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1,
+                            const uint8_t *src2, long width, uint32_t *unused)
+{
+    int i;
+    // FIXME I don't think this code is right for YUV444/422, since then h is not subsampled so
+    // we need to skip each second pixel. Same for BEToUV.
+    for (i=0; i<width; i++) {
+        dstU[i]= src1[2*i + 1];
+        dstV[i]= src2[2*i + 1];
+    }
+}
+
 /* This is almost identical to the previous, end exists only because
  * yuy2ToY/UV)(dst, src+1, ...) would have 100% unaligned accesses. */
-static inline void RENAME(uyvyToY)(uint8_t *dst, uint8_t *src, long width)
+static inline void uyvyToY_c(uint8_t *dst, const uint8_t *src, long width,
+                             uint32_t *unused)
 {
-#ifdef HAVE_MMX
-    asm volatile(
-    "mov                  %0, %%"REG_a"         \n\t"
-    "1:                                         \n\t"
-    "movq  (%1, %%"REG_a",2), %%mm0             \n\t"
-    "movq 8(%1, %%"REG_a",2), %%mm1             \n\t"
-    "psrlw                $8, %%mm0             \n\t"
-    "psrlw                $8, %%mm1             \n\t"
-    "packuswb          %%mm1, %%mm0             \n\t"
-    "movq              %%mm0, (%2, %%"REG_a")   \n\t"
-    "add                  $8, %%"REG_a"         \n\t"
-    " js                  1b                    \n\t"
-    : : "g" (-width), "r" (src+width*2), "r" (dst+width)
-    : "%"REG_a
-    );
-#else
     int i;
     for (i=0; i<width; i++)
         dst[i]= src[2*i+1];
-#endif
 }
 
-static inline void RENAME(uyvyToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
+static inline void uyvyToUV_c(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1,
+                              const uint8_t *src2, long width, uint32_t *unused)
 {
-#ifdef HAVE_MMX
-    asm volatile(
-    "movq "MANGLE(bm01010101)", %%mm4           \n\t"
-    "mov                    %0, %%"REG_a"       \n\t"
-    "1:                                         \n\t"
-    "movq    (%1, %%"REG_a",4), %%mm0           \n\t"
-    "movq   8(%1, %%"REG_a",4), %%mm1           \n\t"
-    "pand                %%mm4, %%mm0           \n\t"
-    "pand                %%mm4, %%mm1           \n\t"
-    "packuswb            %%mm1, %%mm0           \n\t"
-    "movq                %%mm0, %%mm1           \n\t"
-    "psrlw                  $8, %%mm0           \n\t"
-    "pand                %%mm4, %%mm1           \n\t"
-    "packuswb            %%mm0, %%mm0           \n\t"
-    "packuswb            %%mm1, %%mm1           \n\t"
-    "movd                %%mm0, (%3, %%"REG_a") \n\t"
-    "movd                %%mm1, (%2, %%"REG_a") \n\t"
-    "add                    $4, %%"REG_a"       \n\t"
-    " js                    1b                  \n\t"
-    : : "g" (-width), "r" (src1+width*4), "r" (dstU+width), "r" (dstV+width)
-    : "%"REG_a
-    );
-#else
     int i;
-    for (i=0; i<width; i++)
-    {
+    for (i=0; i<width; i++) {
         dstU[i]= src1[4*i + 0];
         dstV[i]= src1[4*i + 2];
     }
-#endif
     assert(src1 == src2);
 }
 
-#define BGR2Y(type, name, shr, shg, shb, maskr, maskg, maskb, RY, GY, BY, S)\
-static inline void RENAME(name)(uint8_t *dst, uint8_t *src, long width)\
-{\
-    int i;\
-    for (i=0; i<width; i++)\
-    {\
-        int b= (((type*)src)[i]>>shb)&maskb;\
-        int g= (((type*)src)[i]>>shg)&maskg;\
-        int r= (((type*)src)[i]>>shr)&maskr;\
-\
-        dst[i]= (((RY)*r + (GY)*g + (BY)*b + (33<<((S)-1)))>>(S));\
-    }\
-}
-
-BGR2Y(uint32_t, bgr32ToY,16, 0, 0, 0x00FF, 0xFF00, 0x00FF, RY<< 8, GY   , BY<< 8, RGB2YUV_SHIFT+8)
-BGR2Y(uint32_t, rgb32ToY, 0, 0,16, 0x00FF, 0xFF00, 0x00FF, RY<< 8, GY   , BY<< 8, RGB2YUV_SHIFT+8)
-BGR2Y(uint16_t, bgr16ToY, 0, 0, 0, 0x001F, 0x07E0, 0xF800, RY<<11, GY<<5, BY    , RGB2YUV_SHIFT+8)
-BGR2Y(uint16_t, bgr15ToY, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, RY<<10, GY<<5, BY    , RGB2YUV_SHIFT+7)
-BGR2Y(uint16_t, rgb16ToY, 0, 0, 0, 0xF800, 0x07E0, 0x001F, RY    , GY<<5, BY<<11, RGB2YUV_SHIFT+8)
-BGR2Y(uint16_t, rgb15ToY, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, RY    , GY<<5, BY<<10, RGB2YUV_SHIFT+7)
-
-#define BGR2UV(type, name, shr, shg, shb, maskr, maskg, maskb, RU, GU, BU, RV, GV, BV, S)\
-static inline void RENAME(name)(uint8_t *dstU, uint8_t *dstV, uint8_t *src, uint8_t *dummy, long width)\
-{\
-    int i;\
-    for (i=0; i<width; i++)\
-    {\
-        int b= (((type*)src)[i]&maskb)>>shb;\
-        int g= (((type*)src)[i]&maskg)>>shg;\
-        int r= (((type*)src)[i]&maskr)>>shr;\
-\
-        dstU[i]= ((RU)*r + (GU)*g + (BU)*b + (257<<((S)-1)))>>(S);\
-        dstV[i]= ((RV)*r + (GV)*g + (BV)*b + (257<<((S)-1)))>>(S);\
-    }\
-}\
-static inline void RENAME(name ## _half)(uint8_t *dstU, uint8_t *dstV, uint8_t *src, uint8_t *dummy, long width)\
-{\
-    int i;\
-    for (i=0; i<width; i++)\
-    {\
-        int pix0= ((type*)src)[2*i+0];\
-        int pix1= ((type*)src)[2*i+1];\
-        int g= (pix0&maskg)+(pix1&maskg);\
-        int b= ((pix0+pix1-g)&(maskb|(2*maskb)))>>shb;\
-        int r= ((pix0+pix1-g)&(maskr|(2*maskr)))>>shr;\
-\
-        g>>=shg;\
-\
-        dstU[i]= ((RU)*r + (GU)*g + (BU)*b + (257<<(S)))>>((S)+1);\
-        dstV[i]= ((RV)*r + (GV)*g + (BV)*b + (257<<(S)))>>((S)+1);\
-    }\
+static inline void BEToUV_c(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1,
+                            const uint8_t *src2, long width, uint32_t *unused)
+{
+    int i;
+    for (i=0; i<width; i++) {
+        dstU[i]= src1[2*i];
+        dstV[i]= src2[2*i];
+    }
 }
 
-BGR2UV(uint32_t, bgr32ToUV,16, 0, 0, 0xFF0000, 0xFF00, 0x00FF, RU<< 8, GU   , BU<< 8, RV<< 8, GV   , BV<< 8, RGB2YUV_SHIFT+8)
-BGR2UV(uint32_t, rgb32ToUV, 0, 0,16, 0x00FF, 0xFF00, 0xFF0000, RU<< 8, GU   , BU<< 8, RV<< 8, GV   , BV<< 8, RGB2YUV_SHIFT+8)
-BGR2UV(uint16_t, bgr16ToUV, 0, 0, 0, 0x001F, 0x07E0, 0xF800, RU<<11, GU<<5, BU    , RV<<11, GV<<5, BV    , RGB2YUV_SHIFT+8)
-BGR2UV(uint16_t, bgr15ToUV, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, RU<<10, GU<<5, BU    , RV<<10, GV<<5, BV    , RGB2YUV_SHIFT+7)
-BGR2UV(uint16_t, rgb16ToUV, 0, 0, 0, 0xF800, 0x07E0, 0x001F, RU    , GU<<5, BU<<11, RV    , GV<<5, BV<<11, RGB2YUV_SHIFT+8)
-BGR2UV(uint16_t, rgb15ToUV, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, RU    , GU<<5, BU<<10, RV    , GV<<5, BV<<10, RGB2YUV_SHIFT+7)
-
-#ifdef HAVE_MMX
-static inline void bgr24ToY_mmx(uint8_t *dst, uint8_t *src, long width, int srcFormat)
+static inline void nvXXtoUV_c(uint8_t *dst1, uint8_t *dst2,
+                              const uint8_t *src, long width)
 {
-
-    if(srcFormat == PIX_FMT_BGR24){
-        asm volatile(
-            "movq  "MANGLE(ff_bgr24toY1Coeff)", %%mm5       \n\t"
-            "movq  "MANGLE(ff_bgr24toY2Coeff)", %%mm6       \n\t"
-            :
-        );
-    }else{
-        asm volatile(
-            "movq  "MANGLE(ff_rgb24toY1Coeff)", %%mm5       \n\t"
-            "movq  "MANGLE(ff_rgb24toY2Coeff)", %%mm6       \n\t"
-            :
-        );
+    int i;
+    for (i = 0; i < width; i++) {
+        dst1[i] = src[2*i+0];
+        dst2[i] = src[2*i+1];
     }
+}
 
-    asm volatile(
-        "movq  "MANGLE(ff_bgr24toYOffset)", %%mm4   \n\t"
-        "mov                        %2, %%"REG_a"   \n\t"
-        "pxor                    %%mm7, %%mm7       \n\t"
-        "1:                                         \n\t"
-        PREFETCH"               64(%0)              \n\t"
-        "movd                     (%0), %%mm0       \n\t"
-        "movd                    2(%0), %%mm1       \n\t"
-        "movd                    6(%0), %%mm2       \n\t"
-        "movd                    8(%0), %%mm3       \n\t"
-        "add                       $12, %0          \n\t"
-        "punpcklbw               %%mm7, %%mm0       \n\t"
-        "punpcklbw               %%mm7, %%mm1       \n\t"
-        "punpcklbw               %%mm7, %%mm2       \n\t"
-        "punpcklbw               %%mm7, %%mm3       \n\t"
-        "pmaddwd                 %%mm5, %%mm0       \n\t"
-        "pmaddwd                 %%mm6, %%mm1       \n\t"
-        "pmaddwd                 %%mm5, %%mm2       \n\t"
-        "pmaddwd                 %%mm6, %%mm3       \n\t"
-        "paddd                   %%mm1, %%mm0       \n\t"
-        "paddd                   %%mm3, %%mm2       \n\t"
-        "paddd                   %%mm4, %%mm0       \n\t"
-        "paddd                   %%mm4, %%mm2       \n\t"
-        "psrad                     $15, %%mm0       \n\t"
-        "psrad                     $15, %%mm2       \n\t"
-        "packssdw                %%mm2, %%mm0       \n\t"
-        "packuswb                %%mm0, %%mm0       \n\t"
-        "movd                %%mm0, (%1, %%"REG_a") \n\t"
-        "add                        $4, %%"REG_a"   \n\t"
-        " js                        1b              \n\t"
-    : "+r" (src)
-    : "r" (dst+width), "g" (-width)
-    : "%"REG_a
-    );
+static inline void nv12ToUV_c(uint8_t *dstU, uint8_t *dstV,
+                              const uint8_t *src1, const uint8_t *src2,
+                              long width, uint32_t *unused)
+{
+    nvXXtoUV_c(dstU, dstV, src1, width);
 }
 
-static inline void bgr24ToUV_mmx(uint8_t *dstU, uint8_t *dstV, uint8_t *src, long width, int srcFormat)
+static inline void nv21ToUV_c(uint8_t *dstU, uint8_t *dstV,
+                              const uint8_t *src1, const uint8_t *src2,
+                              long width, uint32_t *unused)
 {
-    asm volatile(
-        "movq                    24+%4, %%mm6       \n\t"
-        "mov                        %3, %%"REG_a"   \n\t"
-        "pxor                    %%mm7, %%mm7       \n\t"
-        "1:                                         \n\t"
-        PREFETCH"               64(%0)              \n\t"
-        "movd                     (%0), %%mm0       \n\t"
-        "movd                    2(%0), %%mm1       \n\t"
-        "punpcklbw               %%mm7, %%mm0       \n\t"
-        "punpcklbw               %%mm7, %%mm1       \n\t"
-        "movq                    %%mm0, %%mm2       \n\t"
-        "movq                    %%mm1, %%mm3       \n\t"
-        "pmaddwd                    %4, %%mm0       \n\t"
-        "pmaddwd                  8+%4, %%mm1       \n\t"
-        "pmaddwd                 16+%4, %%mm2       \n\t"
-        "pmaddwd                 %%mm6, %%mm3       \n\t"
-        "paddd                   %%mm1, %%mm0       \n\t"
-        "paddd                   %%mm3, %%mm2       \n\t"
-
-        "movd                    6(%0), %%mm1       \n\t"
-        "movd                    8(%0), %%mm3       \n\t"
-        "add                       $12, %0          \n\t"
-        "punpcklbw               %%mm7, %%mm1       \n\t"
-        "punpcklbw               %%mm7, %%mm3       \n\t"
-        "movq                    %%mm1, %%mm4       \n\t"
-        "movq                    %%mm3, %%mm5       \n\t"
-        "pmaddwd                    %4, %%mm1       \n\t"
-        "pmaddwd                  8+%4, %%mm3       \n\t"
-        "pmaddwd                 16+%4, %%mm4       \n\t"
-        "pmaddwd                 %%mm6, %%mm5       \n\t"
-        "paddd                   %%mm3, %%mm1       \n\t"
-        "paddd                   %%mm5, %%mm4       \n\t"
-
-        "movq "MANGLE(ff_bgr24toUVOffset)", %%mm3       \n\t"
-        "paddd                   %%mm3, %%mm0       \n\t"
-        "paddd                   %%mm3, %%mm2       \n\t"
-        "paddd                   %%mm3, %%mm1       \n\t"
-        "paddd                   %%mm3, %%mm4       \n\t"
-        "psrad                     $15, %%mm0       \n\t"
-        "psrad                     $15, %%mm2       \n\t"
-        "psrad                     $15, %%mm1       \n\t"
-        "psrad                     $15, %%mm4       \n\t"
-        "packssdw                %%mm1, %%mm0       \n\t"
-        "packssdw                %%mm4, %%mm2       \n\t"
-        "packuswb                %%mm0, %%mm0       \n\t"
-        "packuswb                %%mm2, %%mm2       \n\t"
-        "movd                %%mm0, (%1, %%"REG_a") \n\t"
-        "movd                %%mm2, (%2, %%"REG_a") \n\t"
-        "add                        $4, %%"REG_a"   \n\t"
-        " js                        1b              \n\t"
-    : "+r" (src)
-    : "r" (dstU+width), "r" (dstV+width), "g" (-width), "m"(ff_bgr24toUV[srcFormat == PIX_FMT_RGB24][0])
-    : "%"REG_a
-    );
+    nvXXtoUV_c(dstV, dstU, src1, width);
 }
-#endif
 
-static inline void RENAME(bgr24ToY)(uint8_t *dst, uint8_t *src, long width)
+// FIXME Maybe dither instead.
+#define YUV_NBPS(depth, endianness, rfunc) \
+static inline void endianness ## depth ## ToUV_c(uint8_t *dstU, uint8_t *dstV, \
+                                          const uint8_t *_srcU, const uint8_t *_srcV, \
+                                          long width, uint32_t *unused) \
+{ \
+    int i; \
+    const uint16_t *srcU = (const uint16_t*)_srcU; \
+    const uint16_t *srcV = (const uint16_t*)_srcV; \
+    for (i = 0; i < width; i++) { \
+        dstU[i] = rfunc(&srcU[i])>>(depth-8); \
+        dstV[i] = rfunc(&srcV[i])>>(depth-8); \
+    } \
+} \
+\
+static inline void endianness ## depth ## ToY_c(uint8_t *dstY, const uint8_t *_srcY, long width, uint32_t *unused) \
+{ \
+    int i; \
+    const uint16_t *srcY = (const uint16_t*)_srcY; \
+    for (i = 0; i < width; i++) \
+        dstY[i] = rfunc(&srcY[i])>>(depth-8); \
+} \
+
+YUV_NBPS( 9, LE, AV_RL16)
+YUV_NBPS( 9, BE, AV_RB16)
+YUV_NBPS(10, LE, AV_RL16)
+YUV_NBPS(10, BE, AV_RB16)
+
+static inline void bgr24ToY_c(uint8_t *dst, const uint8_t *src,
+                              long width, uint32_t *unused)
 {
-#ifdef HAVE_MMX
-    bgr24ToY_mmx(dst, src, width, PIX_FMT_BGR24);
-#else
     int i;
-    for (i=0; i<width; i++)
-    {
+    for (i=0; i<width; i++) {
         int b= src[i*3+0];
         int g= src[i*3+1];
         int r= src[i*3+2];
 
         dst[i]= ((RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);
     }
-#endif /* HAVE_MMX */
 }
 
-static inline void RENAME(bgr24ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
+static inline void bgr24ToUV_c(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1,
+                               const uint8_t *src2, long width, uint32_t *unused)
 {
-#ifdef HAVE_MMX
-    bgr24ToUV_mmx(dstU, dstV, src1, width, PIX_FMT_BGR24);
-#else
     int i;
-    for (i=0; i<width; i++)
-    {
+    for (i=0; i<width; i++) {
         int b= src1[3*i + 0];
         int g= src1[3*i + 1];
         int r= src1[3*i + 2];
@@ -2057,15 +280,14 @@ static inline void RENAME(bgr24ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1
         dstU[i]= (RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;
         dstV[i]= (RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;
     }
-#endif /* HAVE_MMX */
     assert(src1 == src2);
 }
 
-static inline void RENAME(bgr24ToUV_half)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
+static inline void bgr24ToUV_half_c(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1,
+                                    const uint8_t *src2, long width, uint32_t *unused)
 {
     int i;
-    for (i=0; i<width; i++)
-    {
+    for (i=0; i<width; i++) {
         int b= src1[6*i + 0] + src1[6*i + 3];
         int g= src1[6*i + 1] + src1[6*i + 4];
         int r= src1[6*i + 2] + src1[6*i + 5];
@@ -2076,32 +298,25 @@ static inline void RENAME(bgr24ToUV_half)(uint8_t *dstU, uint8_t *dstV, uint8_t
     assert(src1 == src2);
 }
 
-static inline void RENAME(rgb24ToY)(uint8_t *dst, uint8_t *src, long width)
+static inline void rgb24ToY_c(uint8_t *dst, const uint8_t *src, long width,
+                              uint32_t *unused)
 {
-#ifdef HAVE_MMX
-    bgr24ToY_mmx(dst, src, width, PIX_FMT_RGB24);
-#else
     int i;
-    for (i=0; i<width; i++)
-    {
+    for (i=0; i<width; i++) {
         int r= src[i*3+0];
         int g= src[i*3+1];
         int b= src[i*3+2];
 
         dst[i]= ((RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);
     }
-#endif
 }
 
-static inline void RENAME(rgb24ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
+static inline void rgb24ToUV_c(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1,
+                               const uint8_t *src2, long width, uint32_t *unused)
 {
     int i;
     assert(src1==src2);
-#ifdef HAVE_MMX
-    bgr24ToUV_mmx(dstU, dstV, src1, width, PIX_FMT_RGB24);
-#else
-    for (i=0; i<width; i++)
-    {
+    for (i=0; i<width; i++) {
         int r= src1[3*i + 0];
         int g= src1[3*i + 1];
         int b= src1[3*i + 2];
@@ -2109,15 +324,14 @@ static inline void RENAME(rgb24ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1
         dstU[i]= (RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;
         dstV[i]= (RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;
     }
-#endif
 }
 
-static inline void RENAME(rgb24ToUV_half)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
+static inline void rgb24ToUV_half_c(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1,
+                                    const uint8_t *src2, long width, uint32_t *unused)
 {
     int i;
     assert(src1==src2);
-    for (i=0; i<width; i++)
-    {
+    for (i=0; i<width; i++) {
         int r= src1[6*i + 0] + src1[6*i + 3];
         int g= src1[6*i + 1] + src1[6*i + 4];
         int b= src1[6*i + 2] + src1[6*i + 5];
@@ -2128,212 +342,19 @@ static inline void RENAME(rgb24ToUV_half)(uint8_t *dstU, uint8_t *dstV, uint8_t
 }
 
 
-static inline void RENAME(palToY)(uint8_t *dst, uint8_t *src, long width, uint32_t *pal)
-{
-    int i;
-    for (i=0; i<width; i++)
-    {
-        int d= src[i];
-
-        dst[i]= pal[d] & 0xFF;
-    }
-}
-
-static inline void RENAME(palToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width, uint32_t *pal)
-{
-    int i;
-    assert(src1 == src2);
-    for (i=0; i<width; i++)
-    {
-        int p= pal[src1[i]];
-
-        dstU[i]= p>>8;
-        dstV[i]= p>>16;
-    }
-}
-
-static inline void RENAME(mono2Y)(uint8_t *dst, uint8_t *src, long width, int format)
-{
-    int i, j;
-    for (i=0; i<width/8; i++){
-        int d= format == PIX_FMT_MONOBLACK ? src[i] : ~src[i];
-        for(j=0; j<8; j++)
-            dst[8*i+j]= ((d>>(7-j))&1)*255;
-    }
-}
-
 // bilinear / bicubic scaling
-static inline void RENAME(hScale)(int16_t *dst, int dstW, uint8_t *src, int srcW, int xInc,
-                                  int16_t *filter, int16_t *filterPos, long filterSize)
+static inline void hScale_c(int16_t *dst, int dstW, const uint8_t *src,
+                            int srcW, int xInc,
+                            const int16_t *filter, const int16_t *filterPos,
+                            long filterSize)
 {
-#ifdef HAVE_MMX
-    assert(filterSize % 4 == 0 && filterSize>0);
-    if (filterSize==4) // Always true for upscaling, sometimes for down, too.
-    {
-        long counter= -2*dstW;
-        filter-= counter*2;
-        filterPos-= counter/2;
-        dst-= counter/2;
-        asm volatile(
-#if defined(PIC)
-        "push            %%"REG_b"              \n\t"
-#endif
-        "pxor                %%mm7, %%mm7       \n\t"
-        "push           %%"REG_BP"              \n\t" // we use 7 regs here ...
-        "mov             %%"REG_a", %%"REG_BP"  \n\t"
-        ASMALIGN(4)
-        "1:                                     \n\t"
-        "movzwl   (%2, %%"REG_BP"), %%eax       \n\t"
-        "movzwl  2(%2, %%"REG_BP"), %%ebx       \n\t"
-        "movq  (%1, %%"REG_BP", 4), %%mm1       \n\t"
-        "movq 8(%1, %%"REG_BP", 4), %%mm3       \n\t"
-        "movd      (%3, %%"REG_a"), %%mm0       \n\t"
-        "movd      (%3, %%"REG_b"), %%mm2       \n\t"
-        "punpcklbw           %%mm7, %%mm0       \n\t"
-        "punpcklbw           %%mm7, %%mm2       \n\t"
-        "pmaddwd             %%mm1, %%mm0       \n\t"
-        "pmaddwd             %%mm2, %%mm3       \n\t"
-        "movq                %%mm0, %%mm4       \n\t"
-        "punpckldq           %%mm3, %%mm0       \n\t"
-        "punpckhdq           %%mm3, %%mm4       \n\t"
-        "paddd               %%mm4, %%mm0       \n\t"
-        "psrad                  $7, %%mm0       \n\t"
-        "packssdw            %%mm0, %%mm0       \n\t"
-        "movd                %%mm0, (%4, %%"REG_BP")    \n\t"
-        "add                    $4, %%"REG_BP"  \n\t"
-        " jnc                   1b              \n\t"
-
-        "pop            %%"REG_BP"              \n\t"
-#if defined(PIC)
-        "pop             %%"REG_b"              \n\t"
-#endif
-        : "+a" (counter)
-        : "c" (filter), "d" (filterPos), "S" (src), "D" (dst)
-#if !defined(PIC)
-        : "%"REG_b
-#endif
-        );
-    }
-    else if (filterSize==8)
-    {
-        long counter= -2*dstW;
-        filter-= counter*4;
-        filterPos-= counter/2;
-        dst-= counter/2;
-        asm volatile(
-#if defined(PIC)
-        "push             %%"REG_b"             \n\t"
-#endif
-        "pxor                 %%mm7, %%mm7      \n\t"
-        "push            %%"REG_BP"             \n\t" // we use 7 regs here ...
-        "mov              %%"REG_a", %%"REG_BP" \n\t"
-        ASMALIGN(4)
-        "1:                                     \n\t"
-        "movzwl    (%2, %%"REG_BP"), %%eax      \n\t"
-        "movzwl   2(%2, %%"REG_BP"), %%ebx      \n\t"
-        "movq   (%1, %%"REG_BP", 8), %%mm1      \n\t"
-        "movq 16(%1, %%"REG_BP", 8), %%mm3      \n\t"
-        "movd       (%3, %%"REG_a"), %%mm0      \n\t"
-        "movd       (%3, %%"REG_b"), %%mm2      \n\t"
-        "punpcklbw            %%mm7, %%mm0      \n\t"
-        "punpcklbw            %%mm7, %%mm2      \n\t"
-        "pmaddwd              %%mm1, %%mm0      \n\t"
-        "pmaddwd              %%mm2, %%mm3      \n\t"
-
-        "movq  8(%1, %%"REG_BP", 8), %%mm1      \n\t"
-        "movq 24(%1, %%"REG_BP", 8), %%mm5      \n\t"
-        "movd      4(%3, %%"REG_a"), %%mm4      \n\t"
-        "movd      4(%3, %%"REG_b"), %%mm2      \n\t"
-        "punpcklbw            %%mm7, %%mm4      \n\t"
-        "punpcklbw            %%mm7, %%mm2      \n\t"
-        "pmaddwd              %%mm1, %%mm4      \n\t"
-        "pmaddwd              %%mm2, %%mm5      \n\t"
-        "paddd                %%mm4, %%mm0      \n\t"
-        "paddd                %%mm5, %%mm3      \n\t"
-        "movq                 %%mm0, %%mm4      \n\t"
-        "punpckldq            %%mm3, %%mm0      \n\t"
-        "punpckhdq            %%mm3, %%mm4      \n\t"
-        "paddd                %%mm4, %%mm0      \n\t"
-        "psrad                   $7, %%mm0      \n\t"
-        "packssdw             %%mm0, %%mm0      \n\t"
-        "movd                 %%mm0, (%4, %%"REG_BP")   \n\t"
-        "add                     $4, %%"REG_BP" \n\t"
-        " jnc                    1b             \n\t"
-
-        "pop             %%"REG_BP"             \n\t"
-#if defined(PIC)
-        "pop              %%"REG_b"             \n\t"
-#endif
-        : "+a" (counter)
-        : "c" (filter), "d" (filterPos), "S" (src), "D" (dst)
-#if !defined(PIC)
-        : "%"REG_b
-#endif
-        );
-    }
-    else
-    {
-        uint8_t *offset = src+filterSize;
-        long counter= -2*dstW;
-        //filter-= counter*filterSize/2;
-        filterPos-= counter/2;
-        dst-= counter/2;
-        asm volatile(
-        "pxor                  %%mm7, %%mm7     \n\t"
-        ASMALIGN(4)
-        "1:                                     \n\t"
-        "mov                      %2, %%"REG_c" \n\t"
-        "movzwl      (%%"REG_c", %0), %%eax     \n\t"
-        "movzwl     2(%%"REG_c", %0), %%edx     \n\t"
-        "mov                      %5, %%"REG_c" \n\t"
-        "pxor                  %%mm4, %%mm4     \n\t"
-        "pxor                  %%mm5, %%mm5     \n\t"
-        "2:                                     \n\t"
-        "movq                   (%1), %%mm1     \n\t"
-        "movq               (%1, %6), %%mm3     \n\t"
-        "movd (%%"REG_c", %%"REG_a"), %%mm0     \n\t"
-        "movd (%%"REG_c", %%"REG_d"), %%mm2     \n\t"
-        "punpcklbw             %%mm7, %%mm0     \n\t"
-        "punpcklbw             %%mm7, %%mm2     \n\t"
-        "pmaddwd               %%mm1, %%mm0     \n\t"
-        "pmaddwd               %%mm2, %%mm3     \n\t"
-        "paddd                 %%mm3, %%mm5     \n\t"
-        "paddd                 %%mm0, %%mm4     \n\t"
-        "add                      $8, %1        \n\t"
-        "add                      $4, %%"REG_c" \n\t"
-        "cmp                      %4, %%"REG_c" \n\t"
-        " jb                      2b            \n\t"
-        "add                      %6, %1        \n\t"
-        "movq                  %%mm4, %%mm0     \n\t"
-        "punpckldq             %%mm5, %%mm4     \n\t"
-        "punpckhdq             %%mm5, %%mm0     \n\t"
-        "paddd                 %%mm0, %%mm4     \n\t"
-        "psrad                    $7, %%mm4     \n\t"
-        "packssdw              %%mm4, %%mm4     \n\t"
-        "mov                      %3, %%"REG_a" \n\t"
-        "movd                  %%mm4, (%%"REG_a", %0)   \n\t"
-        "add                      $4, %0        \n\t"
-        " jnc                     1b            \n\t"
-
-        : "+r" (counter), "+r" (filter)
-        : "m" (filterPos), "m" (dst), "m"(offset),
-          "m" (src), "r" (filterSize*2)
-        : "%"REG_a, "%"REG_c, "%"REG_d
-        );
-    }
-#else
-#ifdef HAVE_ALTIVEC
-    hScale_altivec_real(dst, dstW, src, srcW, xInc, filter, filterPos, filterSize);
-#else
     int i;
-    for (i=0; i<dstW; i++)
-    {
+    for (i=0; i<dstW; i++) {
         int j;
         int srcPos= filterPos[i];
         int val=0;
         //printf("filterPos: %d\n", filterPos[i]);
-        for (j=0; j<filterSize; j++)
-        {
+        for (j=0; j<filterSize; j++) {
             //printf("filter: %d, src: %d\n", filter[i], src[srcPos + j]);
             val += ((int)src[srcPos + j])*filter[filterSize*i + j];
         }
@@ -2341,540 +362,132 @@ static inline void RENAME(hScale)(int16_t *dst, int dstW, uint8_t *src, int srcW
         dst[i] = FFMIN(val>>7, (1<<15)-1); // the cubic equation does overflow ...
         //dst[i] = val>>7;
     }
-#endif /* HAVE_ALTIVEC */
-#endif /* HAVE_MMX */
 }
-      // *** horizontal scale Y line to temp buffer
-static inline void RENAME(hyscale)(SwsContext *c, uint16_t *dst, long dstWidth, uint8_t *src, int srcW, int xInc,
-                                   int flags, int canMMX2BeUsed, int16_t *hLumFilter,
-                                   int16_t *hLumFilterPos, int hLumFilterSize, void *funnyYCode,
-                                   int srcFormat, uint8_t *formatConvBuffer, int16_t *mmx2Filter,
-                                   int32_t *mmx2FilterPos, uint8_t *pal)
+
+//FIXME all pal and rgb srcFormats could do this convertion as well
+//FIXME all scalers more complex than bilinear could do half of this transform
+static void chrRangeToJpeg_c(uint16_t *dst, int width)
 {
-    if (srcFormat==PIX_FMT_YUYV422 || srcFormat==PIX_FMT_GRAY16BE)
-    {
-        RENAME(yuy2ToY)(formatConvBuffer, src, srcW);
-        src= formatConvBuffer;
-    }
-    else if (srcFormat==PIX_FMT_UYVY422 || srcFormat==PIX_FMT_GRAY16LE)
-    {
-        RENAME(uyvyToY)(formatConvBuffer, src, srcW);
-        src= formatConvBuffer;
-    }
-    else if (srcFormat==PIX_FMT_RGB32)
-    {
-        RENAME(bgr32ToY)(formatConvBuffer, src, srcW);
-        src= formatConvBuffer;
-    }
-    else if (srcFormat==PIX_FMT_RGB32_1)
-    {
-        RENAME(bgr32ToY)(formatConvBuffer, src+ALT32_CORR, srcW);
-        src= formatConvBuffer;
-    }
-    else if (srcFormat==PIX_FMT_BGR24)
-    {
-        RENAME(bgr24ToY)(formatConvBuffer, src, srcW);
-        src= formatConvBuffer;
-    }
-    else if (srcFormat==PIX_FMT_BGR565)
-    {
-        RENAME(bgr16ToY)(formatConvBuffer, src, srcW);
-        src= formatConvBuffer;
-    }
-    else if (srcFormat==PIX_FMT_BGR555)
-    {
-        RENAME(bgr15ToY)(formatConvBuffer, src, srcW);
-        src= formatConvBuffer;
-    }
-    else if (srcFormat==PIX_FMT_BGR32)
-    {
-        RENAME(rgb32ToY)(formatConvBuffer, src, srcW);
-        src= formatConvBuffer;
-    }
-    else if (srcFormat==PIX_FMT_BGR32_1)
-    {
-        RENAME(rgb32ToY)(formatConvBuffer, src+ALT32_CORR, srcW);
-        src= formatConvBuffer;
-    }
-    else if (srcFormat==PIX_FMT_RGB24)
-    {
-        RENAME(rgb24ToY)(formatConvBuffer, src, srcW);
-        src= formatConvBuffer;
-    }
-    else if (srcFormat==PIX_FMT_RGB565)
-    {
-        RENAME(rgb16ToY)(formatConvBuffer, src, srcW);
-        src= formatConvBuffer;
+    int i;
+    for (i = 0; i < width; i++) {
+        dst[i     ] = (FFMIN(dst[i     ],30775)*4663 - 9289992)>>12; //-264
+        dst[i+VOFW] = (FFMIN(dst[i+VOFW],30775)*4663 - 9289992)>>12; //-264
     }
-    else if (srcFormat==PIX_FMT_RGB555)
-    {
-        RENAME(rgb15ToY)(formatConvBuffer, src, srcW);
-        src= formatConvBuffer;
+}
+static void chrRangeFromJpeg_c(uint16_t *dst, int width)
+{
+    int i;
+    for (i = 0; i < width; i++) {
+        dst[i     ] = (dst[i     ]*1799 + 4081085)>>11; //1469
+        dst[i+VOFW] = (dst[i+VOFW]*1799 + 4081085)>>11; //1469
     }
-    else if (srcFormat==PIX_FMT_RGB8 || srcFormat==PIX_FMT_BGR8 || srcFormat==PIX_FMT_PAL8 || srcFormat==PIX_FMT_BGR4_BYTE  || srcFormat==PIX_FMT_RGB4_BYTE)
-    {
-        RENAME(palToY)(formatConvBuffer, src, srcW, (uint32_t*)pal);
-        src= formatConvBuffer;
+}
+static void lumRangeToJpeg_c(uint16_t *dst, int width)
+{
+    int i;
+    for (i = 0; i < width; i++)
+        dst[i] = (FFMIN(dst[i],30189)*19077 - 39057361)>>14;
+}
+static void lumRangeFromJpeg_c(uint16_t *dst, int width)
+{
+    int i;
+    for (i = 0; i < width; i++)
+        dst[i] = (dst[i]*14071 + 33561947)>>14;
+}
+
+static inline void hyscale_fast_c(SwsContext *c, int16_t *dst, long dstWidth,
+                                  const uint8_t *src, int srcW, int xInc)
+{
+    int i;
+    unsigned int xpos=0;
+    for (i=0;i<dstWidth;i++) {
+        register unsigned int xx=xpos>>16;
+        register unsigned int xalpha=(xpos&0xFFFF)>>9;
+        dst[i]= (src[xx]<<7) + (src[xx+1] - src[xx])*xalpha;
+        xpos+=xInc;
     }
-    else if (srcFormat==PIX_FMT_MONOBLACK ||srcFormat==PIX_FMT_MONOWHITE)
-    {
-        RENAME(mono2Y)(formatConvBuffer, src, srcW, srcFormat);
+}
+
+      // *** horizontal scale Y line to temp buffer
+static inline void hyscale_c(SwsContext *c, uint16_t *dst, long dstWidth,
+                             const uint8_t *src, int srcW, int xInc,
+                             const int16_t *hLumFilter,
+                             const int16_t *hLumFilterPos, int hLumFilterSize,
+                             uint8_t *formatConvBuffer,
+                             uint32_t *pal, int isAlpha)
+{
+    void (*toYV12)(uint8_t *, const uint8_t *, long, uint32_t *) = isAlpha ? c->alpToYV12 : c->lumToYV12;
+    void (*convertRange)(uint16_t *, int) = isAlpha ? NULL : c->lumConvertRange;
+
+    src += isAlpha ? c->alpSrcOffset : c->lumSrcOffset;
+
+    if (toYV12) {
+        toYV12(formatConvBuffer, src, srcW, pal);
         src= formatConvBuffer;
     }
 
-#ifdef HAVE_MMX
-    // Use the new MMX scaler if the MMX2 one can't be used (it is faster than the x86 ASM one).
-    if (!(flags&SWS_FAST_BILINEAR) || (!canMMX2BeUsed))
-#else
-    if (!(flags&SWS_FAST_BILINEAR))
-#endif
-    {
-        RENAME(hScale)(dst, dstWidth, src, srcW, xInc, hLumFilter, hLumFilterPos, hLumFilterSize);
-    }
-    else // fast bilinear upscale / crap downscale
-    {
-#if defined(ARCH_X86)
-#ifdef HAVE_MMX2
-        int i;
-#if defined(PIC)
-        uint64_t ebxsave __attribute__((aligned(8)));
-#endif
-        if (canMMX2BeUsed)
-        {
-            asm volatile(
-#if defined(PIC)
-            "mov               %%"REG_b", %5        \n\t"
-#endif
-            "pxor                  %%mm7, %%mm7     \n\t"
-            "mov                      %0, %%"REG_c" \n\t"
-            "mov                      %1, %%"REG_D" \n\t"
-            "mov                      %2, %%"REG_d" \n\t"
-            "mov                      %3, %%"REG_b" \n\t"
-            "xor               %%"REG_a", %%"REG_a" \n\t" // i
-            PREFETCH"        (%%"REG_c")            \n\t"
-            PREFETCH"      32(%%"REG_c")            \n\t"
-            PREFETCH"      64(%%"REG_c")            \n\t"
-
-#ifdef ARCH_X86_64
-
-#define FUNNY_Y_CODE \
-            "movl            (%%"REG_b"), %%esi     \n\t"\
-            "call                    *%4            \n\t"\
-            "movl (%%"REG_b", %%"REG_a"), %%esi     \n\t"\
-            "add               %%"REG_S", %%"REG_c" \n\t"\
-            "add               %%"REG_a", %%"REG_D" \n\t"\
-            "xor               %%"REG_a", %%"REG_a" \n\t"\
-
-#else
-
-#define FUNNY_Y_CODE \
-            "movl (%%"REG_b"), %%esi        \n\t"\
-            "call         *%4                       \n\t"\
-            "addl (%%"REG_b", %%"REG_a"), %%"REG_c" \n\t"\
-            "add               %%"REG_a", %%"REG_D" \n\t"\
-            "xor               %%"REG_a", %%"REG_a" \n\t"\
-
-#endif /* ARCH_X86_64 */
-
-FUNNY_Y_CODE
-FUNNY_Y_CODE
-FUNNY_Y_CODE
-FUNNY_Y_CODE
-FUNNY_Y_CODE
-FUNNY_Y_CODE
-FUNNY_Y_CODE
-FUNNY_Y_CODE
-
-#if defined(PIC)
-            "mov                      %5, %%"REG_b" \n\t"
-#endif
-            :: "m" (src), "m" (dst), "m" (mmx2Filter), "m" (mmx2FilterPos),
-            "m" (funnyYCode)
-#if defined(PIC)
-            ,"m" (ebxsave)
-#endif
-            : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D
-#if !defined(PIC)
-            ,"%"REG_b
-#endif
-            );
-            for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--) dst[i] = src[srcW-1]*128;
-        }
-        else
-        {
-#endif /* HAVE_MMX2 */
-        long xInc_shr16 = xInc >> 16;
-        uint16_t xInc_mask = xInc & 0xffff;
-        //NO MMX just normal asm ...
-        asm volatile(
-        "xor %%"REG_a", %%"REG_a"            \n\t" // i
-        "xor %%"REG_d", %%"REG_d"            \n\t" // xx
-        "xorl    %%ecx, %%ecx                \n\t" // 2*xalpha
-        ASMALIGN(4)
-        "1:                                  \n\t"
-        "movzbl    (%0, %%"REG_d"), %%edi    \n\t" //src[xx]
-        "movzbl   1(%0, %%"REG_d"), %%esi    \n\t" //src[xx+1]
-        "subl    %%edi, %%esi                \n\t" //src[xx+1] - src[xx]
-        "imull   %%ecx, %%esi                \n\t" //(src[xx+1] - src[xx])*2*xalpha
-        "shll      $16, %%edi                \n\t"
-        "addl    %%edi, %%esi                \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
-        "mov        %1, %%"REG_D"            \n\t"
-        "shrl       $9, %%esi                \n\t"
-        "movw     %%si, (%%"REG_D", %%"REG_a", 2)   \n\t"
-        "addw       %4, %%cx                 \n\t" //2*xalpha += xInc&0xFF
-        "adc        %3, %%"REG_d"            \n\t" //xx+= xInc>>8 + carry
-
-        "movzbl    (%0, %%"REG_d"), %%edi    \n\t" //src[xx]
-        "movzbl   1(%0, %%"REG_d"), %%esi    \n\t" //src[xx+1]
-        "subl    %%edi, %%esi                \n\t" //src[xx+1] - src[xx]
-        "imull   %%ecx, %%esi                \n\t" //(src[xx+1] - src[xx])*2*xalpha
-        "shll      $16, %%edi                \n\t"
-        "addl    %%edi, %%esi                \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
-        "mov        %1, %%"REG_D"            \n\t"
-        "shrl       $9, %%esi                \n\t"
-        "movw     %%si, 2(%%"REG_D", %%"REG_a", 2)  \n\t"
-        "addw       %4, %%cx                 \n\t" //2*xalpha += xInc&0xFF
-        "adc        %3, %%"REG_d"            \n\t" //xx+= xInc>>8 + carry
-
-
-        "add        $2, %%"REG_a"            \n\t"
-        "cmp        %2, %%"REG_a"            \n\t"
-        " jb        1b                       \n\t"
-
-
-        :: "r" (src), "m" (dst), "m" (dstWidth), "m" (xInc_shr16), "m" (xInc_mask)
-        : "%"REG_a, "%"REG_d, "%ecx", "%"REG_D, "%esi"
-        );
-#ifdef HAVE_MMX2
-        } //if MMX2 can't be used
-#endif
-#else
-        int i;
-        unsigned int xpos=0;
-        for (i=0;i<dstWidth;i++)
-        {
-            register unsigned int xx=xpos>>16;
-            register unsigned int xalpha=(xpos&0xFFFF)>>9;
-            dst[i]= (src[xx]<<7) + (src[xx+1] - src[xx])*xalpha;
-            xpos+=xInc;
-        }
-#endif /* defined(ARCH_X86) */
+    if (!c->hyscale_fast) {
+        c->hScale(dst, dstWidth, src, srcW, xInc, hLumFilter, hLumFilterPos, hLumFilterSize);
+    } else { // fast bilinear upscale / crap downscale
+        c->hyscale_fast(c, dst, dstWidth, src, srcW, xInc);
     }
 
-    if(c->srcRange != c->dstRange && !(isRGB(c->dstFormat) || isBGR(c->dstFormat))){
-        int i;
-        //FIXME all pal and rgb srcFormats could do this convertion as well
-        //FIXME all scalers more complex than bilinear could do half of this transform
-        if(c->srcRange){
-            for (i=0; i<dstWidth; i++)
-                dst[i]= (dst[i]*14071 + 33561947)>>14;
-        }else{
-            for (i=0; i<dstWidth; i++)
-                dst[i]= (FFMIN(dst[i],30189)*19077 - 39057361)>>14;
-        }
-    }
+    if (convertRange)
+        convertRange(dst, dstWidth);
 }
 
-inline static void RENAME(hcscale)(SwsContext *c, uint16_t *dst, long dstWidth, uint8_t *src1, uint8_t *src2,
-                                   int srcW, int xInc, int flags, int canMMX2BeUsed, int16_t *hChrFilter,
-                                   int16_t *hChrFilterPos, int hChrFilterSize, void *funnyUVCode,
-                                   int srcFormat, uint8_t *formatConvBuffer, int16_t *mmx2Filter,
-                                   int32_t *mmx2FilterPos, uint8_t *pal)
+static inline void hcscale_fast_c(SwsContext *c, int16_t *dst,
+                                  long dstWidth, const uint8_t *src1,
+                                  const uint8_t *src2, int srcW, int xInc)
 {
-    if (srcFormat==PIX_FMT_YUYV422)
-    {
-        RENAME(yuy2ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
-        src1= formatConvBuffer;
-        src2= formatConvBuffer+VOFW;
-    }
-    else if (srcFormat==PIX_FMT_UYVY422)
-    {
-        RENAME(uyvyToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
-        src1= formatConvBuffer;
-        src2= formatConvBuffer+VOFW;
-    }
-    else if (srcFormat==PIX_FMT_RGB32)
-    {
-        if(c->chrSrcHSubSample)
-            RENAME(bgr32ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
-        else
-            RENAME(bgr32ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
-        src1= formatConvBuffer;
-        src2= formatConvBuffer+VOFW;
-    }
-    else if (srcFormat==PIX_FMT_RGB32_1)
-    {
-        if(c->chrSrcHSubSample)
-            RENAME(bgr32ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1+ALT32_CORR, src2+ALT32_CORR, srcW);
-        else
-            RENAME(bgr32ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1+ALT32_CORR, src2+ALT32_CORR, srcW);
-        src1= formatConvBuffer;
-        src2= formatConvBuffer+VOFW;
-    }
-    else if (srcFormat==PIX_FMT_BGR24)
-    {
-        if(c->chrSrcHSubSample)
-            RENAME(bgr24ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
-        else
-            RENAME(bgr24ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
-        src1= formatConvBuffer;
-        src2= formatConvBuffer+VOFW;
-    }
-    else if (srcFormat==PIX_FMT_BGR565)
-    {
-        if(c->chrSrcHSubSample)
-            RENAME(bgr16ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
-        else
-            RENAME(bgr16ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
-        src1= formatConvBuffer;
-        src2= formatConvBuffer+VOFW;
-    }
-    else if (srcFormat==PIX_FMT_BGR555)
-    {
-        if(c->chrSrcHSubSample)
-            RENAME(bgr15ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
-        else
-            RENAME(bgr15ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
-        src1= formatConvBuffer;
-        src2= formatConvBuffer+VOFW;
-    }
-    else if (srcFormat==PIX_FMT_BGR32)
-    {
-        if(c->chrSrcHSubSample)
-            RENAME(rgb32ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
-        else
-            RENAME(rgb32ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
-        src1= formatConvBuffer;
-        src2= formatConvBuffer+VOFW;
-    }
-    else if (srcFormat==PIX_FMT_BGR32_1)
-    {
-        if(c->chrSrcHSubSample)
-            RENAME(rgb32ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1+ALT32_CORR, src2+ALT32_CORR, srcW);
-        else
-            RENAME(rgb32ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1+ALT32_CORR, src2+ALT32_CORR, srcW);
-        src1= formatConvBuffer;
-        src2= formatConvBuffer+VOFW;
-    }
-    else if (srcFormat==PIX_FMT_RGB24)
-    {
-        if(c->chrSrcHSubSample)
-            RENAME(rgb24ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
-        else
-            RENAME(rgb24ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
-        src1= formatConvBuffer;
-        src2= formatConvBuffer+VOFW;
-    }
-    else if (srcFormat==PIX_FMT_RGB565)
-    {
-        if(c->chrSrcHSubSample)
-            RENAME(rgb16ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
-        else
-            RENAME(rgb16ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
-        src1= formatConvBuffer;
-        src2= formatConvBuffer+VOFW;
-    }
-    else if (srcFormat==PIX_FMT_RGB555)
-    {
-        if(c->chrSrcHSubSample)
-            RENAME(rgb15ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
-        else
-            RENAME(rgb15ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
-        src1= formatConvBuffer;
-        src2= formatConvBuffer+VOFW;
-    }
-    else if (isGray(srcFormat) || srcFormat==PIX_FMT_MONOBLACK || srcFormat==PIX_FMT_MONOWHITE)
-    {
-        return;
+    int i;
+    unsigned int xpos=0;
+    for (i=0;i<dstWidth;i++) {
+        register unsigned int xx=xpos>>16;
+        register unsigned int xalpha=(xpos&0xFFFF)>>9;
+        dst[i]=(src1[xx]*(xalpha^127)+src1[xx+1]*xalpha);
+        dst[i+VOFW]=(src2[xx]*(xalpha^127)+src2[xx+1]*xalpha);
+        /* slower
+        dst[i]= (src1[xx]<<7) + (src1[xx+1] - src1[xx])*xalpha;
+        dst[i+VOFW]=(src2[xx]<<7) + (src2[xx+1] - src2[xx])*xalpha;
+        */
+        xpos+=xInc;
     }
-    else if (srcFormat==PIX_FMT_RGB8 || srcFormat==PIX_FMT_BGR8 || srcFormat==PIX_FMT_PAL8 || srcFormat==PIX_FMT_BGR4_BYTE  || srcFormat==PIX_FMT_RGB4_BYTE)
-    {
-        RENAME(palToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, (uint32_t*)pal);
+}
+
+inline static void hcscale_c(SwsContext *c, uint16_t *dst, long dstWidth,
+                             const uint8_t *src1, const uint8_t *src2,
+                             int srcW, int xInc, const int16_t *hChrFilter,
+                             const int16_t *hChrFilterPos, int hChrFilterSize,
+                             uint8_t *formatConvBuffer, uint32_t *pal)
+{
+
+    src1 += c->chrSrcOffset;
+    src2 += c->chrSrcOffset;
+
+    if (c->chrToYV12) {
+        c->chrToYV12(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, pal);
         src1= formatConvBuffer;
         src2= formatConvBuffer+VOFW;
     }
 
-#ifdef HAVE_MMX
-    // Use the new MMX scaler if the MMX2 one can't be used (it is faster than the x86 ASM one).
-    if (!(flags&SWS_FAST_BILINEAR) || (!canMMX2BeUsed))
-#else
-    if (!(flags&SWS_FAST_BILINEAR))
-#endif
-    {
-        RENAME(hScale)(dst     , dstWidth, src1, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize);
-        RENAME(hScale)(dst+VOFW, dstWidth, src2, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize);
-    }
-    else // fast bilinear upscale / crap downscale
-    {
-#if defined(ARCH_X86)
-#ifdef HAVE_MMX2
-        int i;
-#if defined(PIC)
-        uint64_t ebxsave __attribute__((aligned(8)));
-#endif
-        if (canMMX2BeUsed)
-        {
-            asm volatile(
-#if defined(PIC)
-            "mov          %%"REG_b", %6         \n\t"
-#endif
-            "pxor             %%mm7, %%mm7      \n\t"
-            "mov                 %0, %%"REG_c"  \n\t"
-            "mov                 %1, %%"REG_D"  \n\t"
-            "mov                 %2, %%"REG_d"  \n\t"
-            "mov                 %3, %%"REG_b"  \n\t"
-            "xor          %%"REG_a", %%"REG_a"  \n\t" // i
-            PREFETCH"   (%%"REG_c")             \n\t"
-            PREFETCH" 32(%%"REG_c")             \n\t"
-            PREFETCH" 64(%%"REG_c")             \n\t"
-
-#ifdef ARCH_X86_64
-
-#define FUNNY_UV_CODE \
-            "movl       (%%"REG_b"), %%esi      \n\t"\
-            "call               *%4             \n\t"\
-            "movl (%%"REG_b", %%"REG_a"), %%esi \n\t"\
-            "add          %%"REG_S", %%"REG_c"  \n\t"\
-            "add          %%"REG_a", %%"REG_D"  \n\t"\
-            "xor          %%"REG_a", %%"REG_a"  \n\t"\
-
-#else
-
-#define FUNNY_UV_CODE \
-            "movl       (%%"REG_b"), %%esi      \n\t"\
-            "call               *%4             \n\t"\
-            "addl (%%"REG_b", %%"REG_a"), %%"REG_c" \n\t"\
-            "add          %%"REG_a", %%"REG_D"  \n\t"\
-            "xor          %%"REG_a", %%"REG_a"  \n\t"\
-
-#endif /* ARCH_X86_64 */
-
-FUNNY_UV_CODE
-FUNNY_UV_CODE
-FUNNY_UV_CODE
-FUNNY_UV_CODE
-            "xor          %%"REG_a", %%"REG_a"  \n\t" // i
-            "mov                 %5, %%"REG_c"  \n\t" // src
-            "mov                 %1, %%"REG_D"  \n\t" // buf1
-            "add              $"AV_STRINGIFY(VOF)", %%"REG_D"  \n\t"
-            PREFETCH"   (%%"REG_c")             \n\t"
-            PREFETCH" 32(%%"REG_c")             \n\t"
-            PREFETCH" 64(%%"REG_c")             \n\t"
-
-FUNNY_UV_CODE
-FUNNY_UV_CODE
-FUNNY_UV_CODE
-FUNNY_UV_CODE
-
-#if defined(PIC)
-            "mov %6, %%"REG_b"    \n\t"
-#endif
-            :: "m" (src1), "m" (dst), "m" (mmx2Filter), "m" (mmx2FilterPos),
-            "m" (funnyUVCode), "m" (src2)
-#if defined(PIC)
-            ,"m" (ebxsave)
-#endif
-            : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D
-#if !defined(PIC)
-             ,"%"REG_b
-#endif
-            );
-            for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--)
-            {
-                //printf("%d %d %d\n", dstWidth, i, srcW);
-                dst[i] = src1[srcW-1]*128;
-                dst[i+VOFW] = src2[srcW-1]*128;
-            }
-        }
-        else
-        {
-#endif /* HAVE_MMX2 */
-            long xInc_shr16 = (long) (xInc >> 16);
-            uint16_t xInc_mask = xInc & 0xffff;
-            asm volatile(
-            "xor %%"REG_a", %%"REG_a"               \n\t" // i
-            "xor %%"REG_d", %%"REG_d"               \n\t" // xx
-            "xorl    %%ecx, %%ecx                   \n\t" // 2*xalpha
-            ASMALIGN(4)
-            "1:                                     \n\t"
-            "mov        %0, %%"REG_S"               \n\t"
-            "movzbl  (%%"REG_S", %%"REG_d"), %%edi  \n\t" //src[xx]
-            "movzbl 1(%%"REG_S", %%"REG_d"), %%esi  \n\t" //src[xx+1]
-            "subl    %%edi, %%esi                   \n\t" //src[xx+1] - src[xx]
-            "imull   %%ecx, %%esi                   \n\t" //(src[xx+1] - src[xx])*2*xalpha
-            "shll      $16, %%edi                   \n\t"
-            "addl    %%edi, %%esi                   \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
-            "mov        %1, %%"REG_D"               \n\t"
-            "shrl       $9, %%esi                   \n\t"
-            "movw     %%si, (%%"REG_D", %%"REG_a", 2)   \n\t"
-
-            "movzbl    (%5, %%"REG_d"), %%edi       \n\t" //src[xx]
-            "movzbl   1(%5, %%"REG_d"), %%esi       \n\t" //src[xx+1]
-            "subl    %%edi, %%esi                   \n\t" //src[xx+1] - src[xx]
-            "imull   %%ecx, %%esi                   \n\t" //(src[xx+1] - src[xx])*2*xalpha
-            "shll      $16, %%edi                   \n\t"
-            "addl    %%edi, %%esi                   \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
-            "mov        %1, %%"REG_D"               \n\t"
-            "shrl       $9, %%esi                   \n\t"
-            "movw     %%si, "AV_STRINGIFY(VOF)"(%%"REG_D", %%"REG_a", 2)   \n\t"
-
-            "addw       %4, %%cx                    \n\t" //2*xalpha += xInc&0xFF
-            "adc        %3, %%"REG_d"               \n\t" //xx+= xInc>>8 + carry
-            "add        $1, %%"REG_a"               \n\t"
-            "cmp        %2, %%"REG_a"               \n\t"
-            " jb        1b                          \n\t"
-
-/* GCC 3.3 makes MPlayer crash on IA-32 machines when using "g" operand here,
-   which is needed to support GCC 4.0. */
-#if defined(ARCH_X86_64) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
-            :: "m" (src1), "m" (dst), "g" ((long)dstWidth), "m" (xInc_shr16), "m" (xInc_mask),
-#else
-            :: "m" (src1), "m" (dst), "m" ((long)dstWidth), "m" (xInc_shr16), "m" (xInc_mask),
-#endif
-            "r" (src2)
-            : "%"REG_a, "%"REG_d, "%ecx", "%"REG_D, "%esi"
-            );
-#ifdef HAVE_MMX2
-        } //if MMX2 can't be used
-#endif
-#else
-        int i;
-        unsigned int xpos=0;
-        for (i=0;i<dstWidth;i++)
-        {
-            register unsigned int xx=xpos>>16;
-            register unsigned int xalpha=(xpos&0xFFFF)>>9;
-            dst[i]=(src1[xx]*(xalpha^127)+src1[xx+1]*xalpha);
-            dst[i+VOFW]=(src2[xx]*(xalpha^127)+src2[xx+1]*xalpha);
-            /* slower
-            dst[i]= (src1[xx]<<7) + (src1[xx+1] - src1[xx])*xalpha;
-            dst[i+VOFW]=(src2[xx]<<7) + (src2[xx+1] - src2[xx])*xalpha;
-            */
-            xpos+=xInc;
-        }
-#endif /* defined(ARCH_X86) */
-    }
-    if(c->srcRange != c->dstRange && !(isRGB(c->dstFormat) || isBGR(c->dstFormat))){
-        int i;
-        //FIXME all pal and rgb srcFormats could do this convertion as well
-        //FIXME all scalers more complex than bilinear could do half of this transform
-        if(c->srcRange){
-            for (i=0; i<dstWidth; i++){
-                dst[i     ]= (dst[i     ]*1799 + 4081085)>>11; //1469
-                dst[i+VOFW]= (dst[i+VOFW]*1799 + 4081085)>>11; //1469
-            }
-        }else{
-            for (i=0; i<dstWidth; i++){
-                dst[i     ]= (FFMIN(dst[i     ],30775)*4663 - 9289992)>>12; //-264
-                dst[i+VOFW]= (FFMIN(dst[i+VOFW],30775)*4663 - 9289992)>>12; //-264
-            }
-        }
+    if (!c->hcscale_fast) {
+        c->hScale(dst     , dstWidth, src1, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize);
+        c->hScale(dst+VOFW, dstWidth, src2, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize);
+    } else { // fast bilinear upscale / crap downscale
+        c->hcscale_fast(c, dst, dstWidth, src1, src2, srcW, xInc);
     }
+
+    if (c->chrConvertRange)
+        c->chrConvertRange(dst, dstWidth);
 }
 
-static int RENAME(swScale)(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
-                           int srcSliceH, uint8_t* dst[], int dstStride[]){
+#define DEBUG_SWSCALE_BUFFERS 0
+#define DEBUG_BUFFERS(...) if (DEBUG_SWSCALE_BUFFERS) av_log(c, AV_LOG_DEBUG, __VA_ARGS__)
 
+static int swScale_c(SwsContext *c, const uint8_t* src[], int srcStride[],
+                     int srcSliceY, int srcSliceH, uint8_t* dst[], int dstStride[])
+{
     /* load a few things into local vars to make the code more readable? and faster */
     const int srcW= c->srcW;
     const int dstW= c->dstW;
@@ -2883,10 +496,8 @@ static int RENAME(swScale)(SwsContext *c, uint8_t* src[], int srcStride[], int s
     const int chrSrcW= c->chrSrcW;
     const int lumXInc= c->lumXInc;
     const int chrXInc= c->chrXInc;
-    const int dstFormat= c->dstFormat;
-    const int srcFormat= c->srcFormat;
+    const enum PixelFormat dstFormat= c->dstFormat;
     const int flags= c->flags;
-    const int canMMX2BeUsed= c->canMMX2BeUsed;
     int16_t *vLumFilterPos= c->vLumFilterPos;
     int16_t *vChrFilterPos= c->vChrFilterPos;
     int16_t *hLumFilterPos= c->hLumFilterPos;
@@ -2897,21 +508,21 @@ static int RENAME(swScale)(SwsContext *c, uint8_t* src[], int srcStride[], int s
     int16_t *hChrFilter= c->hChrFilter;
     int32_t *lumMmxFilter= c->lumMmxFilter;
     int32_t *chrMmxFilter= c->chrMmxFilter;
+    int32_t av_unused *alpMmxFilter= c->alpMmxFilter;
     const int vLumFilterSize= c->vLumFilterSize;
     const int vChrFilterSize= c->vChrFilterSize;
     const int hLumFilterSize= c->hLumFilterSize;
     const int hChrFilterSize= c->hChrFilterSize;
     int16_t **lumPixBuf= c->lumPixBuf;
     int16_t **chrPixBuf= c->chrPixBuf;
+    int16_t **alpPixBuf= c->alpPixBuf;
     const int vLumBufSize= c->vLumBufSize;
     const int vChrBufSize= c->vChrBufSize;
-    uint8_t *funnyYCode= c->funnyYCode;
-    uint8_t *funnyUVCode= c->funnyUVCode;
     uint8_t *formatConvBuffer= c->formatConvBuffer;
     const int chrSrcSliceY= srcSliceY >> c->chrSrcVSubSample;
     const int chrSrcSliceH= -((-srcSliceH) >> c->chrSrcVSubSample);
     int lastDstY;
-    uint8_t *pal=NULL;
+    uint32_t *pal=c->pal_yuv;
 
     /* vars which will change and which we need to store back in the context */
     int dstY= c->dstY;
@@ -2920,51 +531,42 @@ static int RENAME(swScale)(SwsContext *c, uint8_t* src[], int srcStride[], int s
     int lastInLumBuf= c->lastInLumBuf;
     int lastInChrBuf= c->lastInChrBuf;
 
-    if (isPacked(c->srcFormat)){
-        pal= src[1];
+    if (isPacked(c->srcFormat)) {
         src[0]=
         src[1]=
-        src[2]= src[0];
+        src[2]=
+        src[3]= src[0];
         srcStride[0]=
         srcStride[1]=
-        srcStride[2]= srcStride[0];
+        srcStride[2]=
+        srcStride[3]= srcStride[0];
     }
     srcStride[1]<<= c->vChrDrop;
     srcStride[2]<<= c->vChrDrop;
 
-    //printf("swscale %X %X %X -> %X %X %X\n", (int)src[0], (int)src[1], (int)src[2],
-    //       (int)dst[0], (int)dst[1], (int)dst[2]);
-
-#if 0 //self test FIXME move to a vfilter or something
-    {
-    static volatile int i=0;
-    i++;
-    if (srcFormat==PIX_FMT_YUV420P && i==1 && srcSliceH>= c->srcH)
-        selfTest(src, srcStride, c->srcW, c->srcH);
-    i--;
-    }
-#endif
-
-    //printf("sws Strides:%d %d %d -> %d %d %d\n", srcStride[0],srcStride[1],srcStride[2],
-    //dstStride[0],dstStride[1],dstStride[2]);
-
-    if (dstStride[0]%8 !=0 || dstStride[1]%8 !=0 || dstStride[2]%8 !=0)
-    {
-        static int firstTime=1; //FIXME move this into the context perhaps
-        if (flags & SWS_PRINT_INFO && firstTime)
-        {
+    DEBUG_BUFFERS("swScale() %p[%d] %p[%d] %p[%d] %p[%d] -> %p[%d] %p[%d] %p[%d] %p[%d]\n",
+                  src[0], srcStride[0], src[1], srcStride[1], src[2], srcStride[2], src[3], srcStride[3],
+                  dst[0], dstStride[0], dst[1], dstStride[1], dst[2], dstStride[2], dst[3], dstStride[3]);
+    DEBUG_BUFFERS("srcSliceY: %d srcSliceH: %d dstY: %d dstH: %d\n",
+                   srcSliceY,    srcSliceH,    dstY,    dstH);
+    DEBUG_BUFFERS("vLumFilterSize: %d vLumBufSize: %d vChrFilterSize: %d vChrBufSize: %d\n",
+                   vLumFilterSize,    vLumBufSize,    vChrFilterSize,    vChrBufSize);
+
+    if (dstStride[0]%8 !=0 || dstStride[1]%8 !=0 || dstStride[2]%8 !=0 || dstStride[3]%8 != 0) {
+        static int warnedAlready=0; //FIXME move this into the context perhaps
+        if (flags & SWS_PRINT_INFO && !warnedAlready) {
             av_log(c, AV_LOG_WARNING, "Warning: dstStride is not aligned!\n"
                    "         ->cannot do aligned memory accesses anymore\n");
-            firstTime=0;
+            warnedAlready=1;
         }
     }
 
     /* Note the user might start scaling the picture in the middle so this
        will not get executed. This is not really intended but works
        currently, so people might do it. */
-    if (srcSliceY ==0){
-        lumBufIndex=0;
-        chrBufIndex=0;
+    if (srcSliceY ==0) {
+        lumBufIndex=-1;
+        chrBufIndex=-1;
         dstY=0;
         lastInLumBuf= -1;
         lastInChrBuf= -1;
@@ -2972,277 +574,212 @@ static int RENAME(swScale)(SwsContext *c, uint8_t* src[], int srcStride[], int s
 
     lastDstY= dstY;
 
-    for (;dstY < dstH; dstY++){
+    for (;dstY < dstH; dstY++) {
         unsigned char *dest =dst[0]+dstStride[0]*dstY;
         const int chrDstY= dstY>>c->chrDstVSubSample;
         unsigned char *uDest=dst[1]+dstStride[1]*chrDstY;
         unsigned char *vDest=dst[2]+dstStride[2]*chrDstY;
+        unsigned char *aDest=(CONFIG_SWSCALE_ALPHA && alpPixBuf) ? dst[3]+dstStride[3]*dstY : NULL;
 
         const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input
+        const int firstLumSrcY2= vLumFilterPos[FFMIN(dstY | ((1<<c->chrDstVSubSample) - 1), dstH-1)];
         const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input
-        const int lastLumSrcY= firstLumSrcY + vLumFilterSize -1; // Last line needed as input
-        const int lastChrSrcY= firstChrSrcY + vChrFilterSize -1; // Last line needed as input
+        int lastLumSrcY= firstLumSrcY + vLumFilterSize -1; // Last line needed as input
+        int lastLumSrcY2=firstLumSrcY2+ vLumFilterSize -1; // Last line needed as input
+        int lastChrSrcY= firstChrSrcY + vChrFilterSize -1; // Last line needed as input
+        int enough_lines;
 
-        //printf("dstY:%d dstH:%d firstLumSrcY:%d lastInLumBuf:%d vLumBufSize: %d vChrBufSize: %d slice: %d %d vLumFilterSize: %d firstChrSrcY: %d vChrFilterSize: %d c->chrSrcVSubSample: %d\n",
-        // dstY, dstH, firstLumSrcY, lastInLumBuf, vLumBufSize, vChrBufSize, srcSliceY, srcSliceH, vLumFilterSize, firstChrSrcY, vChrFilterSize,  c->chrSrcVSubSample);
         //handle holes (FAST_BILINEAR & weird filters)
         if (firstLumSrcY > lastInLumBuf) lastInLumBuf= firstLumSrcY-1;
         if (firstChrSrcY > lastInChrBuf) lastInChrBuf= firstChrSrcY-1;
-        //printf("%d %d %d\n", firstChrSrcY, lastInChrBuf, vChrBufSize);
         assert(firstLumSrcY >= lastInLumBuf - vLumBufSize + 1);
         assert(firstChrSrcY >= lastInChrBuf - vChrBufSize + 1);
 
+        DEBUG_BUFFERS("dstY: %d\n", dstY);
+        DEBUG_BUFFERS("\tfirstLumSrcY: %d lastLumSrcY: %d lastInLumBuf: %d\n",
+                         firstLumSrcY,    lastLumSrcY,    lastInLumBuf);
+        DEBUG_BUFFERS("\tfirstChrSrcY: %d lastChrSrcY: %d lastInChrBuf: %d\n",
+                         firstChrSrcY,    lastChrSrcY,    lastInChrBuf);
+
         // Do we have enough lines in this slice to output the dstY line
-        if (lastLumSrcY < srcSliceY + srcSliceH && lastChrSrcY < -((-srcSliceY - srcSliceH)>>c->chrSrcVSubSample))
-        {
-            //Do horizontal scaling
-            while(lastInLumBuf < lastLumSrcY)
-            {
-                uint8_t *s= src[0]+(lastInLumBuf + 1 - srcSliceY)*srcStride[0];
-                lumBufIndex++;
-                //printf("%d %d %d %d\n", lumBufIndex, vLumBufSize, lastInLumBuf,  lastLumSrcY);
-                assert(lumBufIndex < 2*vLumBufSize);
-                assert(lastInLumBuf + 1 - srcSliceY < srcSliceH);
-                assert(lastInLumBuf + 1 - srcSliceY >= 0);
-                //printf("%d %d\n", lumBufIndex, vLumBufSize);
-                RENAME(hyscale)(c, lumPixBuf[ lumBufIndex ], dstW, s, srcW, lumXInc,
-                                flags, canMMX2BeUsed, hLumFilter, hLumFilterPos, hLumFilterSize,
-                                funnyYCode, c->srcFormat, formatConvBuffer,
-                                c->lumMmx2Filter, c->lumMmx2FilterPos, pal);
-                lastInLumBuf++;
-            }
-            while(lastInChrBuf < lastChrSrcY)
-            {
-                uint8_t *src1= src[1]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[1];
-                uint8_t *src2= src[2]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[2];
-                chrBufIndex++;
-                assert(chrBufIndex < 2*vChrBufSize);
-                assert(lastInChrBuf + 1 - chrSrcSliceY < (chrSrcSliceH));
-                assert(lastInChrBuf + 1 - chrSrcSliceY >= 0);
-                //FIXME replace parameters through context struct (some at least)
-
-                if (!(isGray(srcFormat) || isGray(dstFormat)))
-                    RENAME(hcscale)(c, chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, chrSrcW, chrXInc,
-                                    flags, canMMX2BeUsed, hChrFilter, hChrFilterPos, hChrFilterSize,
-                                    funnyUVCode, c->srcFormat, formatConvBuffer,
-                                    c->chrMmx2Filter, c->chrMmx2FilterPos, pal);
-                lastInChrBuf++;
-            }
-            //wrap buf index around to stay inside the ring buffer
-            if (lumBufIndex >= vLumBufSize) lumBufIndex-= vLumBufSize;
-            if (chrBufIndex >= vChrBufSize) chrBufIndex-= vChrBufSize;
-        }
-        else // not enough lines left in this slice -> load the rest in the buffer
-        {
-            /* printf("%d %d Last:%d %d LastInBuf:%d %d Index:%d %d Y:%d FSize: %d %d BSize: %d %d\n",
-            firstChrSrcY,firstLumSrcY,lastChrSrcY,lastLumSrcY,
-            lastInChrBuf,lastInLumBuf,chrBufIndex,lumBufIndex,dstY,vChrFilterSize,vLumFilterSize,
-            vChrBufSize, vLumBufSize);*/
-
-            //Do horizontal scaling
-            while(lastInLumBuf+1 < srcSliceY + srcSliceH)
-            {
-                uint8_t *s= src[0]+(lastInLumBuf + 1 - srcSliceY)*srcStride[0];
-                lumBufIndex++;
-                assert(lumBufIndex < 2*vLumBufSize);
-                assert(lastInLumBuf + 1 - srcSliceY < srcSliceH);
-                assert(lastInLumBuf + 1 - srcSliceY >= 0);
-                RENAME(hyscale)(c, lumPixBuf[ lumBufIndex ], dstW, s, srcW, lumXInc,
-                                flags, canMMX2BeUsed, hLumFilter, hLumFilterPos, hLumFilterSize,
-                                funnyYCode, c->srcFormat, formatConvBuffer,
-                                c->lumMmx2Filter, c->lumMmx2FilterPos, pal);
-                lastInLumBuf++;
-            }
-            while(lastInChrBuf+1 < (chrSrcSliceY + chrSrcSliceH))
-            {
-                uint8_t *src1= src[1]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[1];
-                uint8_t *src2= src[2]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[2];
-                chrBufIndex++;
-                assert(chrBufIndex < 2*vChrBufSize);
-                assert(lastInChrBuf + 1 - chrSrcSliceY < chrSrcSliceH);
-                assert(lastInChrBuf + 1 - chrSrcSliceY >= 0);
-
-                if (!(isGray(srcFormat) || isGray(dstFormat)))
-                    RENAME(hcscale)(c, chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, chrSrcW, chrXInc,
-                            flags, canMMX2BeUsed, hChrFilter, hChrFilterPos, hChrFilterSize,
-                            funnyUVCode, c->srcFormat, formatConvBuffer,
-                            c->chrMmx2Filter, c->chrMmx2FilterPos, pal);
-                lastInChrBuf++;
-            }
-            //wrap buf index around to stay inside the ring buffer
-            if (lumBufIndex >= vLumBufSize) lumBufIndex-= vLumBufSize;
-            if (chrBufIndex >= vChrBufSize) chrBufIndex-= vChrBufSize;
-            break; //we can't output a dstY line so let's try with the next slice
+        enough_lines = lastLumSrcY2 < srcSliceY + srcSliceH && lastChrSrcY < -((-srcSliceY - srcSliceH)>>c->chrSrcVSubSample);
+
+        if (!enough_lines) {
+            lastLumSrcY = srcSliceY + srcSliceH - 1;
+            lastChrSrcY = chrSrcSliceY + chrSrcSliceH - 1;
+            DEBUG_BUFFERS("buffering slice: lastLumSrcY %d lastChrSrcY %d\n",
+                                            lastLumSrcY, lastChrSrcY);
         }
 
-#ifdef HAVE_MMX
-        b5Dither= ff_dither8[dstY&1];
-        g6Dither= ff_dither4[dstY&1];
-        g5Dither= ff_dither8[dstY&1];
-        r5Dither= ff_dither8[(dstY+1)&1];
-#endif
-        if (dstY < dstH-2)
-        {
-            int16_t **lumSrcPtr= lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
-            int16_t **chrSrcPtr= chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
-#ifdef HAVE_MMX
-            int i;
-        if (flags & SWS_ACCURATE_RND){
-            int s= APCK_SIZE / 8;
-            for (i=0; i<vLumFilterSize; i+=2){
-                *(void**)&lumMmxFilter[s*i              ]= lumSrcPtr[i  ];
-                *(void**)&lumMmxFilter[s*i+APCK_PTR2/4  ]= lumSrcPtr[i+(vLumFilterSize>1)];
-                          lumMmxFilter[s*i+APCK_COEF/4  ]=
-                          lumMmxFilter[s*i+APCK_COEF/4+1]= vLumFilter[dstY*vLumFilterSize + i    ]
-                    + (vLumFilterSize>1 ? vLumFilter[dstY*vLumFilterSize + i + 1]<<16 : 0);
-            }
-            for (i=0; i<vChrFilterSize; i+=2){
-                *(void**)&chrMmxFilter[s*i              ]= chrSrcPtr[i  ];
-                *(void**)&chrMmxFilter[s*i+APCK_PTR2/4  ]= chrSrcPtr[i+(vChrFilterSize>1)];
-                          chrMmxFilter[s*i+APCK_COEF/4  ]=
-                          chrMmxFilter[s*i+APCK_COEF/4+1]= vChrFilter[chrDstY*vChrFilterSize + i    ]
-                    + (vChrFilterSize>1 ? vChrFilter[chrDstY*vChrFilterSize + i + 1]<<16 : 0);
-            }
-        }else{
-            for (i=0; i<vLumFilterSize; i++)
-            {
-                lumMmxFilter[4*i+0]= (int32_t)lumSrcPtr[i];
-                lumMmxFilter[4*i+1]= (uint64_t)lumSrcPtr[i] >> 32;
-                lumMmxFilter[4*i+2]=
-                lumMmxFilter[4*i+3]=
-                    ((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001;
-            }
-            for (i=0; i<vChrFilterSize; i++)
-            {
-                chrMmxFilter[4*i+0]= (int32_t)chrSrcPtr[i];
-                chrMmxFilter[4*i+1]= (uint64_t)chrSrcPtr[i] >> 32;
-                chrMmxFilter[4*i+2]=
-                chrMmxFilter[4*i+3]=
-                    ((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001;
-            }
+        //Do horizontal scaling
+        while(lastInLumBuf < lastLumSrcY) {
+            const uint8_t *src1= src[0]+(lastInLumBuf + 1 - srcSliceY)*srcStride[0];
+            const uint8_t *src2= src[3]+(lastInLumBuf + 1 - srcSliceY)*srcStride[3];
+            lumBufIndex++;
+            assert(lumBufIndex < 2*vLumBufSize);
+            assert(lastInLumBuf + 1 - srcSliceY < srcSliceH);
+            assert(lastInLumBuf + 1 - srcSliceY >= 0);
+            hyscale_c(c, lumPixBuf[ lumBufIndex ], dstW, src1, srcW, lumXInc,
+                      hLumFilter, hLumFilterPos, hLumFilterSize,
+                      formatConvBuffer,
+                      pal, 0);
+            if (CONFIG_SWSCALE_ALPHA && alpPixBuf)
+                hyscale_c(c, alpPixBuf[ lumBufIndex ], dstW, src2, srcW,
+                          lumXInc, hLumFilter, hLumFilterPos, hLumFilterSize,
+                          formatConvBuffer,
+                          pal, 1);
+            lastInLumBuf++;
+            DEBUG_BUFFERS("\t\tlumBufIndex %d: lastInLumBuf: %d\n",
+                               lumBufIndex,    lastInLumBuf);
+        }
+        while(lastInChrBuf < lastChrSrcY) {
+            const uint8_t *src1= src[1]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[1];
+            const uint8_t *src2= src[2]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[2];
+            chrBufIndex++;
+            assert(chrBufIndex < 2*vChrBufSize);
+            assert(lastInChrBuf + 1 - chrSrcSliceY < (chrSrcSliceH));
+            assert(lastInChrBuf + 1 - chrSrcSliceY >= 0);
+            //FIXME replace parameters through context struct (some at least)
+
+            if (c->needs_hcscale)
+                hcscale_c(c, chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, chrSrcW, chrXInc,
+                                hChrFilter, hChrFilterPos, hChrFilterSize,
+                                formatConvBuffer,
+                                pal);
+            lastInChrBuf++;
+            DEBUG_BUFFERS("\t\tchrBufIndex %d: lastInChrBuf: %d\n",
+                               chrBufIndex,    lastInChrBuf);
         }
-#endif
-            if (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21){
+        //wrap buf index around to stay inside the ring buffer
+        if (lumBufIndex >= vLumBufSize) lumBufIndex-= vLumBufSize;
+        if (chrBufIndex >= vChrBufSize) chrBufIndex-= vChrBufSize;
+        if (!enough_lines)
+            break; //we can't output a dstY line so let's try with the next slice
+
+        if (dstY < dstH-2) {
+            const int16_t **lumSrcPtr= (const int16_t **) lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
+            const int16_t **chrSrcPtr= (const int16_t **) chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
+            const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **) alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL;
+            if (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21) {
                 const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
                 if (dstY&chrSkipMask) uDest= NULL; //FIXME split functions in lumi / chromi
-                RENAME(yuv2nv12X)(c,
-                    vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
-                    vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
-                    dest, uDest, dstW, chrDstW, dstFormat);
-            }
-            else if (isPlanarYUV(dstFormat) || dstFormat==PIX_FMT_GRAY8) //YV12 like
-            {
+                c->yuv2nv12X(c,
+                             vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
+                             vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
+                             dest, uDest, dstW, chrDstW, dstFormat);
+            } else if (isPlanarYUV(dstFormat) || dstFormat==PIX_FMT_GRAY8) { //YV12 like
                 const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
                 if ((dstY&chrSkipMask) || isGray(dstFormat)) uDest=vDest= NULL; //FIXME split functions in lumi / chromi
-                if (vLumFilterSize == 1 && vChrFilterSize == 1) // unscaled YV12
-                {
-                    int16_t *lumBuf = lumPixBuf[0];
-                    int16_t *chrBuf= chrPixBuf[0];
-                    RENAME(yuv2yuv1)(c, lumBuf, chrBuf, dest, uDest, vDest, dstW, chrDstW);
+                if (is16BPS(dstFormat) || is9_OR_10BPS(dstFormat)) {
+                    yuv2yuvX16inC(
+                                  vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
+                                  vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
+                                  alpSrcPtr, (uint16_t *) dest, (uint16_t *) uDest, (uint16_t *) vDest, (uint16_t *) aDest, dstW, chrDstW,
+                                  dstFormat);
+                } else if (vLumFilterSize == 1 && vChrFilterSize == 1) { // unscaled YV12
+                    const int16_t *lumBuf = lumSrcPtr[0];
+                    const int16_t *chrBuf= chrSrcPtr[0];
+                    const int16_t *alpBuf= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? alpSrcPtr[0] : NULL;
+                    c->yuv2yuv1(c, lumBuf, chrBuf, alpBuf, dest, uDest, vDest, aDest, dstW, chrDstW);
+                } else { //General YV12
+                    c->yuv2yuvX(c,
+                                vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
+                                vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
+                                alpSrcPtr, dest, uDest, vDest, aDest, dstW, chrDstW);
                 }
-                else //General YV12
-                {
-                    RENAME(yuv2yuvX)(c,
-                        vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
-                        vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
-                        dest, uDest, vDest, dstW, chrDstW);
-                }
-            }
-            else
-            {
+            } else {
                 assert(lumSrcPtr + vLumFilterSize - 1 < lumPixBuf + vLumBufSize*2);
                 assert(chrSrcPtr + vChrFilterSize - 1 < chrPixBuf + vChrBufSize*2);
-                if (vLumFilterSize == 1 && vChrFilterSize == 2) //unscaled RGB
-                {
+                if (vLumFilterSize == 1 && vChrFilterSize == 2) { //unscaled RGB
                     int chrAlpha= vChrFilter[2*dstY+1];
-                    if(flags & SWS_FULL_CHR_H_INT){
+                    if(flags & SWS_FULL_CHR_H_INT) {
                         yuv2rgbXinC_full(c, //FIXME write a packed1_full function
-                            vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
-                            vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
-                            dest, dstW, dstY);
-                    }else{
-                        RENAME(yuv2packed1)(c, *lumSrcPtr, *chrSrcPtr, *(chrSrcPtr+1),
-                            dest, dstW, chrAlpha, dstFormat, flags, dstY);
+                                         vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
+                                         vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
+                                         alpSrcPtr, dest, dstW, dstY);
+                    } else {
+                        c->yuv2packed1(c, *lumSrcPtr, *chrSrcPtr, *(chrSrcPtr+1),
+                                       alpPixBuf ? *alpSrcPtr : NULL,
+                                       dest, dstW, chrAlpha, dstFormat, flags, dstY);
                     }
-                }
-                else if (vLumFilterSize == 2 && vChrFilterSize == 2) //bilinear upscale RGB
-                {
+                } else if (vLumFilterSize == 2 && vChrFilterSize == 2) { //bilinear upscale RGB
                     int lumAlpha= vLumFilter[2*dstY+1];
                     int chrAlpha= vChrFilter[2*dstY+1];
                     lumMmxFilter[2]=
                     lumMmxFilter[3]= vLumFilter[2*dstY   ]*0x10001;
                     chrMmxFilter[2]=
                     chrMmxFilter[3]= vChrFilter[2*chrDstY]*0x10001;
-                    if(flags & SWS_FULL_CHR_H_INT){
+                    if(flags & SWS_FULL_CHR_H_INT) {
                         yuv2rgbXinC_full(c, //FIXME write a packed2_full function
-                            vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
-                            vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
-                            dest, dstW, dstY);
-                    }else{
-                        RENAME(yuv2packed2)(c, *lumSrcPtr, *(lumSrcPtr+1), *chrSrcPtr, *(chrSrcPtr+1),
-                            dest, dstW, lumAlpha, chrAlpha, dstY);
+                                         vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
+                                         vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
+                                         alpSrcPtr, dest, dstW, dstY);
+                    } else {
+                        c->yuv2packed2(c, *lumSrcPtr, *(lumSrcPtr+1), *chrSrcPtr, *(chrSrcPtr+1),
+                                       alpPixBuf ? *alpSrcPtr : NULL, alpPixBuf ? *(alpSrcPtr+1) : NULL,
+                                       dest, dstW, lumAlpha, chrAlpha, dstY);
                     }
-                }
-                else //general RGB
-                {
-                    if(flags & SWS_FULL_CHR_H_INT){
+                } else { //general RGB
+                    if(flags & SWS_FULL_CHR_H_INT) {
                         yuv2rgbXinC_full(c,
-                            vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
-                            vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
-                            dest, dstW, dstY);
-                    }else{
-                        RENAME(yuv2packedX)(c,
-                            vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
-                            vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
-                            dest, dstW, dstY);
+                                         vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
+                                         vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
+                                         alpSrcPtr, dest, dstW, dstY);
+                    } else {
+                        c->yuv2packedX(c,
+                                       vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
+                                       vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
+                                       alpSrcPtr, dest, dstW, dstY);
                     }
                 }
             }
-        }
-        else // hmm looks like we can't use MMX here without overwriting this array's tail
-        {
-            int16_t **lumSrcPtr= lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
-            int16_t **chrSrcPtr= chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
-            if (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21){
+        } else { // hmm looks like we can't use MMX here without overwriting this array's tail
+            const int16_t **lumSrcPtr= (const int16_t **)lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
+            const int16_t **chrSrcPtr= (const int16_t **)chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
+            const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **)alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL;
+            if (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21) {
                 const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
                 if (dstY&chrSkipMask) uDest= NULL; //FIXME split functions in lumi / chromi
                 yuv2nv12XinC(
-                    vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
-                    vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
-                    dest, uDest, dstW, chrDstW, dstFormat);
-            }
-            else if (isPlanarYUV(dstFormat) || dstFormat==PIX_FMT_GRAY8) //YV12
-            {
+                             vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
+                             vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
+                             dest, uDest, dstW, chrDstW, dstFormat);
+            } else if (isPlanarYUV(dstFormat) || dstFormat==PIX_FMT_GRAY8) { //YV12
                 const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
                 if ((dstY&chrSkipMask) || isGray(dstFormat)) uDest=vDest= NULL; //FIXME split functions in lumi / chromi
-                yuv2yuvXinC(
-                    vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
-                    vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
-                    dest, uDest, vDest, dstW, chrDstW);
-            }
-            else
-            {
+                if (is16BPS(dstFormat) || is9_OR_10BPS(dstFormat)) {
+                    yuv2yuvX16inC(
+                                  vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
+                                  vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
+                                  alpSrcPtr, (uint16_t *) dest, (uint16_t *) uDest, (uint16_t *) vDest, (uint16_t *) aDest, dstW, chrDstW,
+                                  dstFormat);
+                } else {
+                    yuv2yuvXinC(
+                                vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
+                                vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
+                                alpSrcPtr, dest, uDest, vDest, aDest, dstW, chrDstW);
+                }
+            } else {
                 assert(lumSrcPtr + vLumFilterSize - 1 < lumPixBuf + vLumBufSize*2);
                 assert(chrSrcPtr + vChrFilterSize - 1 < chrPixBuf + vChrBufSize*2);
-                if(flags & SWS_FULL_CHR_H_INT){
+                if(flags & SWS_FULL_CHR_H_INT) {
                     yuv2rgbXinC_full(c,
-                        vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
-                        vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
-                        dest, dstW, dstY);
-                }else{
+                                     vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
+                                     vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
+                                     alpSrcPtr, dest, dstW, dstY);
+                } else {
                     yuv2packedXinC(c,
-                        vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
-                        vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
-                        dest, dstW, dstY);
+                                   vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
+                                   vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
+                                   alpSrcPtr, dest, dstW, dstY);
                 }
             }
         }
     }
 
-#ifdef HAVE_MMX
-    asm volatile(SFENCE:::"memory");
-    asm volatile(EMMS:::"memory");
-#endif
+    if ((dstFormat == PIX_FMT_YUVA420P) && !alpPixBuf)
+        fillPlane(dst[3], dstStride[3], dstW, dstY-lastDstY, lastDstY, 255);
+
     /* store changed local vars back in the context */
     c->dstY= dstY;
     c->lumBufIndex= lumBufIndex;
@@ -3252,3 +789,161 @@ static int RENAME(swScale)(SwsContext *c, uint8_t* src[], int srcStride[], int s
 
     return dstY - lastDstY;
 }
+
+static void sws_init_swScale_c(SwsContext *c)
+{
+    enum PixelFormat srcFormat = c->srcFormat;
+
+    c->yuv2nv12X    = yuv2nv12X_c;
+    c->yuv2yuv1     = yuv2yuv1_c;
+    c->yuv2yuvX     = yuv2yuvX_c;
+    c->yuv2packed1  = yuv2packed1_c;
+    c->yuv2packed2  = yuv2packed2_c;
+    c->yuv2packedX  = yuv2packedX_c;
+
+    c->hScale       = hScale_c;
+
+    if (c->flags & SWS_FAST_BILINEAR)
+    {
+        c->hyscale_fast = hyscale_fast_c;
+        c->hcscale_fast = hcscale_fast_c;
+    }
+
+    c->chrToYV12 = NULL;
+    switch(srcFormat) {
+        case PIX_FMT_YUYV422  : c->chrToYV12 = yuy2ToUV_c; break;
+        case PIX_FMT_UYVY422  : c->chrToYV12 = uyvyToUV_c; break;
+        case PIX_FMT_NV12     : c->chrToYV12 = nv12ToUV_c; break;
+        case PIX_FMT_NV21     : c->chrToYV12 = nv21ToUV_c; break;
+        case PIX_FMT_RGB8     :
+        case PIX_FMT_BGR8     :
+        case PIX_FMT_PAL8     :
+        case PIX_FMT_BGR4_BYTE:
+        case PIX_FMT_RGB4_BYTE: c->chrToYV12 = palToUV; break;
+        case PIX_FMT_YUV420P9BE: c->chrToYV12 = BE9ToUV_c; break;
+        case PIX_FMT_YUV420P9LE: c->chrToYV12 = LE9ToUV_c; break;
+        case PIX_FMT_YUV420P10BE: c->chrToYV12 = BE10ToUV_c; break;
+        case PIX_FMT_YUV420P10LE: c->chrToYV12 = LE10ToUV_c; break;
+        case PIX_FMT_YUV420P16BE:
+        case PIX_FMT_YUV422P16BE:
+        case PIX_FMT_YUV444P16BE: c->chrToYV12 = BEToUV_c; break;
+        case PIX_FMT_YUV420P16LE:
+        case PIX_FMT_YUV422P16LE:
+        case PIX_FMT_YUV444P16LE: c->chrToYV12 = LEToUV_c; break;
+    }
+    if (c->chrSrcHSubSample) {
+        switch(srcFormat) {
+        case PIX_FMT_RGB48BE:
+        case PIX_FMT_RGB48LE: c->chrToYV12 = rgb48ToUV_half; break;
+        case PIX_FMT_BGR48BE:
+        case PIX_FMT_BGR48LE: c->chrToYV12 = bgr48ToUV_half; break;
+        case PIX_FMT_RGB32  : c->chrToYV12 = bgr32ToUV_half;  break;
+        case PIX_FMT_RGB32_1: c->chrToYV12 = bgr321ToUV_half; break;
+        case PIX_FMT_BGR24  : c->chrToYV12 = bgr24ToUV_half_c; break;
+        case PIX_FMT_BGR565 : c->chrToYV12 = bgr16ToUV_half; break;
+        case PIX_FMT_BGR555 : c->chrToYV12 = bgr15ToUV_half; break;
+        case PIX_FMT_BGR32  : c->chrToYV12 = rgb32ToUV_half;  break;
+        case PIX_FMT_BGR32_1: c->chrToYV12 = rgb321ToUV_half; break;
+        case PIX_FMT_RGB24  : c->chrToYV12 = rgb24ToUV_half_c; break;
+        case PIX_FMT_RGB565 : c->chrToYV12 = rgb16ToUV_half; break;
+        case PIX_FMT_RGB555 : c->chrToYV12 = rgb15ToUV_half; break;
+        }
+    } else {
+        switch(srcFormat) {
+        case PIX_FMT_RGB48BE:
+        case PIX_FMT_RGB48LE: c->chrToYV12 = rgb48ToUV; break;
+        case PIX_FMT_BGR48BE:
+        case PIX_FMT_BGR48LE: c->chrToYV12 = bgr48ToUV; break;
+        case PIX_FMT_RGB32  : c->chrToYV12 = bgr32ToUV;  break;
+        case PIX_FMT_RGB32_1: c->chrToYV12 = bgr321ToUV; break;
+        case PIX_FMT_BGR24  : c->chrToYV12 = bgr24ToUV_c; break;
+        case PIX_FMT_BGR565 : c->chrToYV12 = bgr16ToUV; break;
+        case PIX_FMT_BGR555 : c->chrToYV12 = bgr15ToUV; break;
+        case PIX_FMT_BGR32  : c->chrToYV12 = rgb32ToUV;  break;
+        case PIX_FMT_BGR32_1: c->chrToYV12 = rgb321ToUV; break;
+        case PIX_FMT_RGB24  : c->chrToYV12 = rgb24ToUV_c; break;
+        case PIX_FMT_RGB565 : c->chrToYV12 = rgb16ToUV; break;
+        case PIX_FMT_RGB555 : c->chrToYV12 = rgb15ToUV; break;
+        }
+    }
+
+    c->lumToYV12 = NULL;
+    c->alpToYV12 = NULL;
+    switch (srcFormat) {
+    case PIX_FMT_YUV420P9BE: c->lumToYV12 = BE9ToY_c; break;
+    case PIX_FMT_YUV420P9LE: c->lumToYV12 = LE9ToY_c; break;
+    case PIX_FMT_YUV420P10BE: c->lumToYV12 = BE10ToY_c; break;
+    case PIX_FMT_YUV420P10LE: c->lumToYV12 = LE10ToY_c; break;
+    case PIX_FMT_YUYV422  :
+    case PIX_FMT_YUV420P16BE:
+    case PIX_FMT_YUV422P16BE:
+    case PIX_FMT_YUV444P16BE:
+    case PIX_FMT_Y400A    :
+    case PIX_FMT_GRAY16BE : c->lumToYV12 = yuy2ToY_c; break;
+    case PIX_FMT_UYVY422  :
+    case PIX_FMT_YUV420P16LE:
+    case PIX_FMT_YUV422P16LE:
+    case PIX_FMT_YUV444P16LE:
+    case PIX_FMT_GRAY16LE : c->lumToYV12 = uyvyToY_c; break;
+    case PIX_FMT_BGR24    : c->lumToYV12 = bgr24ToY_c; break;
+    case PIX_FMT_BGR565   : c->lumToYV12 = bgr16ToY; break;
+    case PIX_FMT_BGR555   : c->lumToYV12 = bgr15ToY; break;
+    case PIX_FMT_RGB24    : c->lumToYV12 = rgb24ToY_c; break;
+    case PIX_FMT_RGB565   : c->lumToYV12 = rgb16ToY; break;
+    case PIX_FMT_RGB555   : c->lumToYV12 = rgb15ToY; break;
+    case PIX_FMT_RGB8     :
+    case PIX_FMT_BGR8     :
+    case PIX_FMT_PAL8     :
+    case PIX_FMT_BGR4_BYTE:
+    case PIX_FMT_RGB4_BYTE: c->lumToYV12 = palToY; break;
+    case PIX_FMT_MONOBLACK: c->lumToYV12 = monoblack2Y; break;
+    case PIX_FMT_MONOWHITE: c->lumToYV12 = monowhite2Y; break;
+    case PIX_FMT_RGB32  : c->lumToYV12 = bgr32ToY;  break;
+    case PIX_FMT_RGB32_1: c->lumToYV12 = bgr321ToY; break;
+    case PIX_FMT_BGR32  : c->lumToYV12 = rgb32ToY;  break;
+    case PIX_FMT_BGR32_1: c->lumToYV12 = rgb321ToY; break;
+    case PIX_FMT_RGB48BE:
+    case PIX_FMT_RGB48LE: c->lumToYV12 = rgb48ToY; break;
+    case PIX_FMT_BGR48BE:
+    case PIX_FMT_BGR48LE: c->lumToYV12 = bgr48ToY; break;
+    }
+    if (c->alpPixBuf) {
+        switch (srcFormat) {
+        case PIX_FMT_RGB32  :
+        case PIX_FMT_RGB32_1:
+        case PIX_FMT_BGR32  :
+        case PIX_FMT_BGR32_1: c->alpToYV12 = abgrToA; break;
+        case PIX_FMT_Y400A  : c->alpToYV12 = yuy2ToY_c; break;
+        }
+    }
+
+    switch (srcFormat) {
+    case PIX_FMT_Y400A  :
+        c->alpSrcOffset = 1;
+        break;
+    case PIX_FMT_RGB32  :
+    case PIX_FMT_BGR32  :
+        c->alpSrcOffset = 3;
+        break;
+    case PIX_FMT_RGB48LE:
+    case PIX_FMT_BGR48LE:
+        c->lumSrcOffset = 1;
+        c->chrSrcOffset = 1;
+        c->alpSrcOffset = 1;
+        break;
+    }
+
+    if (c->srcRange != c->dstRange && !isAnyRGB(c->dstFormat)) {
+        if (c->srcRange) {
+            c->lumConvertRange = lumRangeFromJpeg_c;
+            c->chrConvertRange = chrRangeFromJpeg_c;
+        } else {
+            c->lumConvertRange = lumRangeToJpeg_c;
+            c->chrConvertRange = chrRangeToJpeg_c;
+        }
+    }
+
+    if (!(isGray(srcFormat) || isGray(c->dstFormat) ||
+          srcFormat == PIX_FMT_MONOBLACK || srcFormat == PIX_FMT_MONOWHITE))
+        c->needs_hcscale = 1;
+}